O Wyoming, Wonderful and Weird (poem) by Arthur C. Hodgson 22:1:97

oak trees 3:4:204

Oakie, J. B. (see also J. B. Oakie, Lost Cabin Pioneer; J. B. Oakie mansion photo)

Oakley, Annie 47:2:140, 145, photo 146

Oakley, Mary photo 37:1:30, 31 (see also Leffler, Mrs. Leo L.)

Oaks, Paul 17:1:72

Oaks photo 46:1:8

Oapiche 25:2:146 (see also Shoshone (Eastern))

Oasis Bar and Club billiards hall (Lusk, Wyoming) 66:4:19

Oasis Concert Hall 25:1:9

Oasis Hotel 47:1:83

Oatman, C. H. 28:2:135

Oaxaca (see Landlord and Peasant in Colonial Oaxaca)

Oberhansley, Frank 30:1:109

Oberly, John H. 58:2:15, 17

Obert, Carl 26:1:61

Obert, Edna (Mrs.) 44:1:54; 44:2:281

Oblong Geyser 65:1:43

obsidian 29:2:132, illustration 136, 137, 139

Obsidian Cliff photo 14:2:90; 44:1:19

Occidental Hotel 34:1:46, 48; photo 35:2:124, 127, 137-138; 39:2:228; 66:1&2:16 (see also History of the Occidental Hotel)

Odd Fellows 19:1:31

Odd Fellows Hall (Big Horn, Wyoming) 66:1&2:23, 25 (see also International Order of Odd Fellows; Love, Christy)

Oden, Herman 42:1:94

Oden, Jacob N. 42:1:94

Oden, Sarah Fine 42:1:94

Oedekoven, Ryllis Rae (Mrs.) 27:2:231

Oehler, C. M. 31:2:237-238 (see also Great Sioux Uprising)

Oelrichs, Harry 20:1:65

Office of Civil Defense 45:1:85

Office of Indian Affairs 43:1:84-85 (see also Indian Affairs Office)

Office of Live Stock and Sanitary Board 13:2:158

Office of Price Administration 52:1:25-33 (see also Price Administration)

Office of Secretary of State 13:1:82

Office of the Governor 14:4:328 (see also Governor’s Office)

Offices of the Belgo-American Company photo 41:1:page following 31

Offley, R. (Lieutenant Colonel) 18:1:55

Ogalalla 29:2:141; 48:1:112-113, 121-122, 124-125 (see also Sioux)

Ogallala Land and Cattle Company 19:1:15; 54:2:68 (see also Oglalla Land and Cattle Company)

Ogallala, Nebraska 16:2:151; 17:1:18; 19:1:16; 64:3/4:54

Ogallala Sioux 34:1:100; 43:1:82-83; 43:2:247, 254; 46:1:9, 16; 47:2:223 (see also Sioux)

Ogden City 23:1:13; 26:2:165, 168

Ogden Freeman 43:2:166, 196-200

Ogden-Gardner incident 17:2:100

Ogden, Harry 48:1:89

Ogden, Peter 15:3:228; 17:2:95, 98, 102

Ogden, Peter Skeen 33:2:161

Ogden, Peter Skene 46:1:125

Ogden, Utah 60:1:9-12, 15; 65:1:12

Ogilby, Lyman (Bishop) 34:2:167

Ogilby, Remsen (Reverend) 34:2:167, 170

Oglala Sioux by Robert H. Ruby, review 28:2:219-220

Oglalla Land and Cattle Company 38:1:68 (see also Ogalala Land and Cattle Company)

Ogle, James R. 27:1:112

Oglesby (Governor of Illinois) 20:1:76

Oglesby 16:2:157

Ohampue 33:1:38

Ohio 66:1&2:2; 66:3:40, 44, 47; 66:4:10

Ohio Oil Company 52:2:46; 58:1:2-6; 66:1&2:31

Ohio River 65:1:7, 20

Ohlman Stage Station 40:2:252

Ohnhaus, A. P. (Mrs.) 19:1:60

Ohnhaus, Charles J. (Mrs.) 14:4:329; 26:2:218-219; 27:1:114, 117; 27:2:231, 239-240

Ohnhaus, Charles J. (U.S. District Clerk) 54:1:12, 15; 64:2:57

oil 5:5:397; 6:4:318-319; 7:1:329-333 (see also From Beaver to Oil. A Century in the Development of Wyoming’s Big Horn Basin; Oklahoma Petroleum Industry; Memories of an Oil Field)

oil boom 66:1&2:26-27, 36-37

oil discovered 15:1:69-70; 24:2:80, 95-96; 26:1:3, 94; 28:2:176; 29:2:223 (see also names of individual oil companies)

oil industry 66:3:17-19

oil production (see Oil Booms: Social Change in Five Texas Towns)

oil refineries 55:1:3-8

oil well at Lander, Wyoming (1902) photo 41:1:page following 31

Oil Booms: Social Change in Five Texas Towns by Roger M. Olien and Diana Davids Olien, review 55:2:40-41

Oil City of the West 64:3/4:23

Oil Creek 31:2:127, 134 (see also dugout in Oil Creek plan sketch)

Oil Spring (see Popo Agie Valley)

O-Kee-Pa. A Religious Ceremony and Other Customs of the Mandans by George Catlin, review 39:2:267

Okey, John 46:2:175 (see also Okie, John)

Okie (children) 47:1:92

Okie, Abram 46:2:175

Okie, Clarice 46:2:187; 47:1:97

Okie, Frederick 46:2:176, 181-183, 192-194, 200-201

Okie, Grace 46:2:176

Okie, Helena 46:2:183

Okie, Howard (brother of J. B.) 46:2:175-176, 179, 192

Okie, Howard (son of J. B.) 46:2:181, 187, 189

Okie, J. B. (Mrs.) 21:1:100

Okie, J. B. 21:1:100; 37:2:198; 39:1:113; photo 46:2:cover, 173-205; 47:1:95, 97, 99

Okie, James 46:2:181

Okie, Jeannette (daughter of J. B.) 46:2:181

Okie, Jeannette (Mrs. J. B.) 46:2:183-186; 47:1:95, 97, 99

Okie, John 46:2:175

Okie, John, Jr. 46:2:175, 181

Okie, Juan 46:2:188

Okie, Maria 46:2:188

Okie, Mary 46:2:181

Okie, Paul 46:2:181, 185, 189

Okie, St. Claire 46:2:176, 181

Okie, Susan 46:2:182, 192-194

Okie, Van 46:2:178, 181; 47:1:86, 91-92

Okie, William T. 46:2:176, 182

Oklahoma (see John D. Haines, Oklahoma’s Pioneer Mountaineer in the Tetons)

Oklahoma 66:1&2:36; 66:3:16, 60; 66:4:57

Oklahoma Petroleum Industry by Kenny A. Franks, review 54:1:67-68

old timer definition 25:1:75

Old Arland and Corbett Trading Post on Cottonwood Creek 49:2:283-284

Old Bald Eagle 56:2:24-25 (see also Gros Ventre)

Old Baldy Club (Saratoga, Wyoming) 66:4:34-35

Old Bedlam by Jess H. Lombard 13:2:87-91

Old Bill (ox) 65:2/3:26

Old Bill Williams, Mountain Man by Alpheus H. Favour, review 54:1:76

Old Bright (ox) 65:2/3:26

Old Callacaw 19:1:51

Old Church (poem) by Helen Cook 29:1:39

Old Crow 44:1:69 (see also Crow)

Old Country Dances Provided Most Fun 31:2:234

Old Dead Indian Hill Road to Sunlight Valley and Upper Clark’s Fork photo 12:3:223

Old Eagle Breast 30:1:34

Old Faded Photograph Reveals Fascinating Page of Early Wyoming History photo 12:2:119

Old Faithful (Yellowstone National Park) 66:3:14; 66:4:50

Old Faithful Geyser photo 44:1:page following 16, 19, 21-22

Old Faithful Inn photo 66:4:51

Old Fort Bridger by Hazel Nobel Boyack 32:2:220-226

Old Fort Fred Steele Was a Defender of Whites Against Indian Depredations 13:4:345-346

Old Fort Laramie Historical Society 10:1:41-43

Old Fort Platte by Joseph M. Adams 42:1:88-89

Old Forts of the Far West by Herbert M. Hart, review 38:1:124-125

Old Forts of the Northwest by Herbert M. Hart, review 36:1:109-110

Old Forts of the Southwest by Herbert M. Hart, review 37:1:129-131

Old Humpy 34:1:25

Old Iron Clad Store 37:1:107

Old Jeff 40:2:246

Old Jules Country by Mari Sandoz, review 38:1:121-123

Old Lady Sonny (see Sonny, Mrs.)

Old Letter Book transcribed and edited by Agnes Wright Spring 5:1:13-14; 13:4:237-330

Old Mack (see McCarger, Al)

Old Main (see University of Wyoming’s Old Main photo)

Old McShane Tie Camp and the Rockwood Fire as told to C. C. Rawlings by Robert F. Strait 32:2:145-163

Old Navajo Rugs: Their Development from 1900 to 1940 by Marion E. Rodee, review 54:1:68-69

Old Nick (see Janis, Nick)

Old Occidental by Howard B. Lott 27:1:25-30 (see also Occidental Hotel)

Old Oregon Trail (song) by Pierre LaBonte, Jr. 30:2:212

Old Powder House at Fort Steele (see MILITARY)

Old Settlers’ Club (Sheridan, Wyoming) 66:3:47

Old Smoke 39:2:214-215 (see also Sioux)

Old Snag 27:2:201-202 (see also Snake Indians)

Old Spanish Trail 23:2:59

Old Stage Coach Days 23:2:60

Old Tex (cowboy) 29:2:168

Old Town 16:1:44

Old Trail to an Empire by William A. Riner 15:3:191-197

Old Woman Creek Station by Mrs. George Christian, read by Albert DeGerring 38:1:89-90

Old Wyoming Postoffices by Colonel Norman D. King 29:2:157-159

Old Yellowstone Days edited by Paul Schullery, review 51:2:69-70

Old-Lady-Grieves-the-Enemy 59:1:50 (see Pawnee)

Old-Man-Afraid-of-His-Horses 18:2:112, photo 134, 135; 48:1:112 (see also Man Afraid of His Horses; Sioux)

Old-Time Cowhand by Ramon F. Adams, review 34:1:128-129

oldest building in Daniel, Wyoming (see Daniel, Wyoming)

oldest ranger station 4:4:381 (see also ranger station; Wapiti)

oldest water right in Wyoming (see water rights)

Oldham, Charles 22:2:86-87; 26:1:64; 26:2:212

Oldman, Bert (Mrs.) 27:2:231; 31:2:235

Olds, Kirby H. 25:1:96; 26:1:97

Olga-Doe Bay Cemetery (Orcas Island, Washington) 66:1&2:75

Olien, Diana Davids (see Oil Booms: Social Change in Five Texas Towns)

Olien, Roger M. (see Oil Booms: Social Change in Five Texas Towns)

Olin, Blanche M. 64:1:20

Oliner, Stan 65:4:30 (see also review of the Cattle Business in Johnson Countyand the Causes that Led to the Recent Invasion; review of Indian Fights: New Facts on Seven Encounters)

Olinger, R. I. 25:2:210

Olinger, R. L. 13:4:389

Olinger, Ralph 23:2:46; 24:1:5

Oliver, Darrell 58:1:6

Oliver, Glenn (Mr. and Mrs.) 27:2:231

Oliver, J. E. 39:1:136

Olivereau family 24:1:86

Ollerenshaw, Frances (Mrs.) photo 37:1:4, 5

Olliver, Joe 25:1:70, 74-75, 77

Olmstead, Eugene 46:1:119

Olmstead, Frank 57:2:14

Olmstead, Frederick Law 38:1:53

Olmstead, John 46:1:115, 119

Olmstead, Mel 30:1:23

Olmstead, William B. (Reverend Doctor) 34:2:166

Olphant, J. Orin (see On the Cattle Ranges of the Oregon Country)

Olsen, Char (see review of Best of the West, Vol. I)

Olsen, Hans Peterson 27:2:168

Olsen, Hattie A. 58:1:45

Olsen, Jack (see "Doc": The Rape of the Town of Lovell)

Olsen, James C. (Doctor) (see History of Nebraska)

Olsen, Pete W. 60:2:15-16, 18-19

Olsen, Philip O. 23:1:105

Olsen, Ted 10:4:149

Olson, Andrew 56:1:47-48

Olson, Elmer 25:1:77

Olson, Frederick T. 37:2:257 (see also Self-made Man in Wyoming. An Autobiographical Fragment from Governor DeForest Richards)

Olson, Gordon L. 47:2:251 (see also "I Felt Like I Must Be Entering...Another World." The Anonymous Memoirs of an Early Inmate of the Wyoming Penitentiary; review of Dawes Act and the Allotment of Indian Lands)

Olson, James C. (see Red Cloud and the Sioux Problem; J. Sterling Morton)

Olson, James S. (see review of Water for the West. The Bureau of Reclamation, 1902-1927)

Olson, Martin (Mrs.) 26:1:92

Olson, Sam 30:2:222

Olson, Ted 60:1:26; 61:1:33

Olson, Wanna Clay 54:2:17

Olwell, Carol (see Women of the West)

Olympic games 66:3:5

Olympic National Park 50:2:263-264

Omaha Indians17:2:137, 150; 27:2:146; 34:1:54-55 (see also Omaha Tribes, Vols. I and II; With Good Intentions: Quaker Work Among the Pawnees, Otos, and Omahas in the1870’s)

Omaha (Nebraska) 66:3:28

Omaha Daily Herald 22:2:44

Omaha, Nebraska 22:1:82; 23:1:12-13; 64:3/4:8; 65:1:8-10, 12, 14, 18-19; 65:2/3:11-13, 24, 27; 65:4:50

Omaha Tribes, Vols. I and II by Alice C. Fletcher and Francis La Flesche, review 65:4:65

Omaha World Herald 22:2:44

Omemee (North Dakota) 66:4:12

Omohundro, John "Texas Jack" 53:1:55-56

Omohundro, Thomas T. (Major) 64:3/4:22-23

Omwake, John 7:2:402

On Special Assignment by Samuel T. Clover 65:4:25

On the Cattle Ranges of the Oregon Country, review 41:1:150-151

One Eye 46:1:32 (see also Cheyenne Indians)

One-Eyed Riley 21:1:20-21

One-Fourth Ranch (see RANCHES)

one hundredth meridian 66:4:4

One hundred forthy-eighth (148) Indiana Volunteer Infantry (see MILITARY)

One Man’s Opinion 65:4:6

One of the Mercer Girls 35:2:213-228

One Shot Antelope Hunt 22:2:9

One Sutton Place, South (New York City) 66:4:27, 32 (see also Rentschler, George)

Oneida 60:2:25

Oneida Company wagon train 42:2:209

Ono 32:1:70-101; 33:2:179

Onondaga Historical Society 3:2:150

Ontario Mining Company 60:1:13-14

OPA (see Wyoming and the OPA: The Postwar Politics of Decontrol)

Opal, Wyoming 15:1:68; 22:2:28, 30; 47:1:32; 60:2:16

Opdyke, Bill 21:2/3:187

OPEC (Organization of Petroleum Exporting Countries) 66:3:18

Open Range Cattle Business in Wyoming by W. E. Guthrie 5:1:26-31

Opera House 23:2:55

Operation Snowbound 21:2/3:219

oral histories (see Our Life and Times-How to Put a Life Story on Tape: An Oral History Handbook)

Orange 22:2:55 (see also Gaylord, Orange)

Orange County (California) 23:1:67; 66:3:21

Orcas Island (Washington) 66:1&2:2, 75

Orchard Ranch (see RANCHES)

Orcutt, Bessie 22:2:35

Orcutt, William 49:1:24-27

Orcutts 22:2:35

Ord (General) 34:2:138-139

Order of Eastern Star (see Grand Chapter)

Order of Good Templars 49:2:259 (see also Masonic Lodge)

Ordnance Magazine at Fort Steele (see MILITARY)

Ordway, Edward, Sr. 2:2:60; 3:4:232; 5:4:149-160; 6:1&2:169-188 (see also Told at the Campfire)

Ordway, John (Sergeant) 17:2:129-130

Oregon 16:2:124; 17:2:103-104; 21:2/3:113, 131, 141-142; 31:2:147-148, 225, 228, 248; 32:1:9, 32, 51-52, 59; 32:2:175, 251; 33:1:28; 33:2:144, 164, 181; 61:1:15, 53; 65:2/3:6, 7, 10, 13; 66:1&2:13, 44; 66:3:6; 66:4:15 (see also immigration to Oregon and California; Jared Fox’s Memorandum: Kept from Dellton Sauk County, Wisconsin, Toward California and Oregon, 1852-1854; Salmon King of Oregon: R. D. Hume and the Pacific Fisheries)

Oregon Basin 49:2:264

Oregon Basin Project 26:1:4, 11

Oregon Buttes 44:2:83; 47:2:238

Oregon-California Trails Association 65:2/3:4-5, 10, 14

Oregon-California Trail 18:2:93; 21:2/3:178; 22:2:51-53; 23:1:59; 59:2:8-14; 65:2/3:2, 10, 14 (see also Oregon Trail)

Oregon-California-Utah Trail 65:2/3:16

Oregon City 22:2:54

Oregon Country (see Fort Hall, Gateway to the Oregon Country; Fort Hall Reservation; On the Cattle Ranges of the Oregon Country; Trip to the Yellowstone and the Oregon Country in 1834)

Oregon Country pioneers (see Great Command. The Story of Marcus and Narcissa Whitman and the Oregon Country Pioneers)

Oregon County 17:2:95

Oregon Desert by E. R. Jackman and R. A. Long, review 36:2:246-247

Oregon emigrants 21:2/3:113; 22:2:53, 59

Oregon Granger 34:1:79

Oregon immigrants 21:2/3:121

Oregon-Lander Road (see HISTORICAL MARKERS)

Oregon Memorial (see HISTORICAL MARKERS)

Oregon National Historic Trail 65:2/3:7

Oregon pine 66:1&2:40

Oregon Settlement 17:2:104

Oregon Short Line Railroad 22:2:41, 56; 47:1:32-33, 35, 38, 42

Oregon State Archives 25:2:211

Oregon Territory 17:2:104; 26:1:33

Oregon Trail (diary) by Henry Tappan 25:2:113-139

Oregon Trail 1:1:3, 5, 7; 1:3:2, 4; 17:1:3-20; 18:2:96; 20:1:85-91; 21:2/3:176; 22:2:47, 49-63; 23:1:3-4, 16, 22, 47-71; 23:2:2, 59-61; 26:2:144, 147; 29:1:78, 92-93; 30:1:47, 106; 30:2:154, 201; 31:1:79; 31:2:213, 215, 220, 247; 32:1:30; 33:1:92, 96-97, 99; 33:2:161, 165, 205, 226, 228; 34:1:52; 34:2:146-147, 246-247; 36:1:43; 36:2:206, 208, 212, 221, 223; 39:1:6, 109; 40:1:23; 43:1:70; 44:1:10, 30; 47:1:46-47; 50:1:11, 13, 16, 18-19, 21, 24, 37-39, 41; 54:1:59-66; 62:2:75-89; 64:3/4:50, 53; 64:4:35, 44; 65:2/3:2, 4-5, 11-14, 25; 66:1&2:12, 72-73 (see also Discovery of the Oregon Trail; Eighteen Fifty-two On the Oregon Trail; Fifth Segment of the Oregon Trail in Wyoming. Green River to Cokeville. Trek No. 24 of the Historical Trail Treks; First Fifty Miles of the Oregon Trail in Wyoming. Wyoming’s Eastern Border to Warm Springs. Trek No. 20 of the Historical Trails Treks; Fourth Segment of the Oregon Trail in Wyoming. Tom Sun Ranch to South Pass. Trek No. 23 of the Historical Trail Treks; Great Platte River Road; HISTORICAL MARKERS: Oregon Trail Treks; Holy Road; Parting of the Ways on the Oregon Trail-The East Terminal of the Oregon Trail; Saleratus and Sagebrush: The Oregon Trail Through Wyoming; Scotts Bluff on the Oregon Trail photo; Story of Ham’s Fork Country and the Oregon Trail; Third Segment of the Oregon Trail, Douglas to Independence Rock, Trek No. 22, of the Historical Trail Treks)

Oregon Trail and California-Mormon Trails. Fort Bridger to Wyoming’s Western Border, Trek No. 19 of the Historical Trail Treks compiled by Maurine Carley 41:1:113-130

Oregon Trail branch 37:1:94

Oregon Trail by Francis Parkman 26:2:119

Oregon Trail Highway 50:1:19

Oregon Trail Landmark Commission 50:1:24

Oregon Trail maps 62:2:74-75, 84

Oregon Trail markers (see HISTORICAL MARKERS)

Oregon Trail Memorial Association 8:2:564; 8:4:644; 23:2:58; 50:1:21, 29, 36; 65:2/3:10, 13; 65:4:2/3:10, 13

Oregon Trail Museum (Nebraska) 50:1:38-39, 41

Oregon Trail North 22:2:49-50, 57 (see also Lander Road)

Oregon Trail Revisited by Gregory M. Franzwa, review 44:2:296-297

Oregon Trail river crossings 62:2:81-82

Oregon Trail Route 33:1:76, 82

Oregon Trail South 22:2:50-51, 57 (see also Sublette Road)

Oregon Trail Trek (#3) by Hazel Nobel Boyack 28:2:190-192; (#8) 31:1:77-93

Oregon Trail Treks (#1) by Maurine Carley 27:2:163-194; (#2) 28:1:41-67; (#3) 28:2:166-192; (#4) 29:1:67-85; (#5) 29:2:177-194; (#6) 30:1:37-52; (#7) 30:2:193-206, photo 207, 208-213; 32:2:218-238; 41:1:113-130; 42:1:77-103; 42:2:252-295; 44:2:268-286; 45:2:249-263

Oregon Trail Treks 26:2:192; 27:1:90; 27:2:163-194; 28:1:41-67; 28:2:166-192; 29:1:67-85; 29:2:177-194; 30:1:37- 52, 77-93; 30:2:193-213 (see also Emigrant Trail Trek)

Oregon Trail weather 62:2:78-79

Oregonians 66:1&2:5

Organ, Caleb Perry 3:3:161; 12:3:185; 18:2:161; 20:1:80; 28:2:147; 33:1:9; 35:2:137; photo 37:1:4, 5, 9-10; 37:2:153; 51:2:12

Organ, Perry 38:1:71

Organizing the Lakota by Thomas Biolsi, review 66:1&2:52

Organizing the Sioux by Thomas Biolsi review 66:1/2:52

Oriental Hotel 66:3:16-17, 20 (see also Big Horn City, first hotel)

Origin of the Wyoming State Flag by Verna K. Keyes 39:1:65-68

OrigInal Contributions to Western History, revIew 25:2:224-226

Origins and Early Development of Dude Ranching in Wyoming by Charles G. Roundy 45:1:5-25

Origins of Photojournalism in America by Michael L. Carlebach, review 65:4:63

Orin 36:2:213

Orin Junction, Wyoming 23:1:32; 28:1:67; 30:2:153

Orin, Wyoming 65:2/3:23

Orinn (sic) 65:2/3:23

Orlando (Florida) 66:4:33

Orme, Richard 25:2:199

Ornduff, Donald R. (see American Hereford Journal)

ornithology 16:2:145

Orpen, Edward 13:1:75-77

Orpha 32:2:224

Orr, Harriet Knight (Mrs.) 5:1:40; 26:1:105; 27:2:231 (see also Memories of Mary Hezlep Knight, a Pioneer Bride; Pioneer Culture When Wyoming was Young)

Orr, Irene 58:1:3

Orr, R. S. 12:4:332

Orr, Raymond (Mr. and Mrs.) 27:2:231

Ortega, Percinte photo 15:1:28

Ortenburger, Leigh N. (see Tetoniana. History ofthe Exploration of Grand Teton National Park, No. 1. The Grand Teton, 1923)

Orvis, Andres 32:1:59

Osage 17:2:137; 56:2:22

Osage State Bank 54:2:44

Osage, Wyoming 30:2:148-149

Osborne, Bob 37:1:97

Osborne, John 37:2:195, 198, 200, 203; 40:1:65-66

Osborne, John Alexander (see John Alexander Osborne)

Osborne, John Eugene (Doctor; Governor) 10:1:44; 12:1:15-16; 15:3:308-309; 20:1:15-16; 24:2:34, 77; 34:1:72; 56:1:35-36, photo 37, 38; 62:3:124; photo 66:3:33, 35, 38-39, 47; 64:2:38, 42 (see also In Memoriam, John Eugene Osborne)

Osborne, Meta (Mrs.) (see John Alexander Osborne)

Osborne, Tom 26:1:56

Osborne, W. N. 53:1:10

Osgood 20:2:133-135

Osgood, Ernest Staples 20:1:4, 61; 37:2:173 (see also Field Notes of Captain William Clark)

Osler, H. S. 53:1:23-24

Ossnabrook 21:2/3:118

Oster, George C. 36:2:216

Osterhout, Al 22:2:38

Ostlund, Axel W. (Mr. and Mrs.) 27:2:231

Ostrander (Major) 18:2:110, 115

Ostrander, Alston B. 1:4:20; 2:2:27-32, 39; 3:3:190, 192; 4:3:367; 38:2:226-227; 40:1:52 (see also Army Boy in the Sixties, or A Story of the Plains; Forgotten Battalion; From Fort Reno to Fort Phil Kearny; Handling the Mail at Fort Reno, Dakota Territory in 1886-1887; New Facts About Fort Philip Kearny)

Ostras Company 33:1:45

Ostrom, George 36:1:66

Ostrom, George N. (Mrs.) 30:2:240

Ostrom, George N. 27:2:231; 30:2:163-167, 240 (see also Beginning of a Great Emblem)

Oswald, Walter 26:1:54

Other Germans in Wyoming by Don Hodgson 63:4:145-149

Other Thornburgh by Charles S. McCammon 56:2:3-11

Otis (General) 20:2:114

Otis, D. S. (see Dawes Act and the Allotment of Indian Lands)

Otis, George 61:2:17

Otis, T. M. (Doctor) 14:4:259-260

Oto (see Otto; With Good Intentions: Quaker Work Among the Pawnees, Otos, and Omahas in the1870’s)

Ott, F. W. 65:1:35

Ottawa 28:2:169; 43:2:273 (see also Sioux)

Otter Creek 26:1:39

Otto 17:2:137; 39:1:125-126

Otto Courier 24:2:83

Otto Timber Company 56:1:51

Otto, Wyoming 24:2:78-79; 26:1:10; 30:2:169; 53:2:15

Ould (Doctor) 36:1:65

Our Heritage by Shirley E. Flynn, review 40:1:147-148

Our Lady of Fatima Catholic Church 64:3/4:2

Our Long Heritage by Wilson O. Clough, review 27:2:243-245

Our Mark Twain, the Making of His Public Personality by Louis J. Budd, review 57:1:60-61

Our Mountains (poem) by Margaret Brock Hansen 33:2:177

Our New West. Records of Travel Between the Mississippi River and the Pacific Ocean by Samuel Bowles, review 45:2:264-265

Ourada, Patricia K. 41:2:278 (see also Hat Sitting Bull Wears)

Ouray 16:2:91, 116, 120, 127, 131, 133-135; 41:1:101, 103 (see also Ute)

Ouray, Utah 16:1:10

Outlaw and the Girl by Hamlin Garland 22:2:40

Outlaw Trail 31:2:195; 65:4:14

Outlaw Trail. A Journey Through Time by Robert Redford, review 51:1:160

outlaws 66:1&2:61-62 (see also Great American Outlaw)

outlaws 5:2:68; 14:1:77-82; 29:2:161-176; 30:12:17-36; 30:2:175-192 (see also Badmen; Hole-in-the-Wall; Outlaw Trail; Wyoming’s Outlaw Brothers)

Outsen, Robert 48:2:182-183, 226 (see also review of United States Soldiers Between Two Wars: Army Life and Reforms, 1865-1898)

Over My Shoulder by Charles A. Myers 29:2:150-156

Overholt, W. H. 45:2:258

Overland Days to Montana in 1865. The Diary of Sarah Raymond and the Journal of Dr. Waid Howard edited by Raymond W. Settles and Mary Lund Settle, review 44:2:290-291

Overland Diary of James A. Pritchard from Kentucky to California in 1849 edited by Dale L. Morgan, review 31:2:243-244

Overland Guide to California 34:1:55

Overland Journal of George Suckley (1859) 28:1:68-79

Overland Limited by Lucius Beebe, review 36:1:113

Overland Mail 5:2:61-64; 5:2&3:100-103 (see also Express Messengers of the Overland Mail)

Overland Mail in Wyoming by Patricia Ann Owens 61:2:13-19

Overland Mail Route 15:1:57; 15:2:150-152; 23:2:61; 28:1:44, 84-85, 87

Overland Route 47:1:21-22 (see also Virginia Dale Stage Station on the Overland Route)

Overland Stage Company 15:1:57; 17:1:8; 19:2:116; 23:2:61; 28:1:44; 33:1:79, 82-83, 96-98; 33:2:137; 42:2:262; 44:1:29; 47:1:21-22

Overland Stage Line 33:1:77-78, 97; 33:2:20; 34:2:236, 246; 44:2:273

Overland Stage mail contract 21:2/3:187-188

Overland Stage route 15:2:150-152; 16:1:75; 19:2:114; 21:2/3:186-187, 189; 22:2:51; 23:2:60; 27:2:163; 28:1:84-85; 28:2:206; 29:2:190; photo 30:2:126; 46:1:5, 10, 12, 22

Overland Stage Trail 33:1:73-101; 33:2:195-214; 34:2:235-249 (see also Overland Trail)

Overland Stage Trail-Trek No. 1, Trek No. 11 of the Emigrant Trail Treks 33:1:73-101

Overland Stage Trail-Trek No. 2. Trek No. 12 of the Emigrant Trail Treks map 33:2:194, 195-214

Overland Stage Trail-Trek No. 3. Trek No. 13 of the Emigrant Trail Treks map 34:2:234, 235-249

Overland Telegraph Line 28:2:181

Overland to California in 1859: A Guide for Wagon Train Travelers compiled and edited by Louis M. Bloch, Jr., review 56:1:69

Overland Trail 17:1:8; 21:2/3:186-187, 189; 22:2:62, 83; 24:1:28, 31, 33-36, 38, 40, 44; 28:1:81; 31:2:218; 46:1:10; 64:2:34 (see also FIRSTS: wagons through South Pass and Overland Trail; Sulphur Springs Station on the Overland Trail; Women and Men on the Overland Trail)

Overland Trail stage station (Wyoming) 66:1&2:72

Overland Trail. To California in 1852 by Herbert Eaton, review 46:2:284-286

Overton, Nebraska 24:1:46

Oviatt, Alton B. 24:1:91-93

Oviatt, Charles 64:1:18-19

OW Ranch (see RANCHES)

Owen, C. W. 20:1:93

Owen, Clyde Meehan 2:1:20 (see also Studies in the Settlement and the Economic Development of Wyoming)

Owen, Etta (see Roach, Mrs.)

Owen, Eva 17:1:81 (see also Downey, Mrs. Stephen)

Owen, F. D. 43:1:118

Owen, John (Major) 39:1:115

Owen Peak 5:2&3:73-74 (see also Mount Owen)

Owen, Robert 52:1:22

Owen School 54:2:16

Owen, William O. 3:3:192; 4:1:270-271; 4:3:366; 5:2&3:123; 6:1&2:242; 10:2:79-89; 15:3:242; 33:1:99; 38:1:50; 38:2:182; 44:2:260-261; 58:1:16; photo 66:3:45 (see also Naming of Mount Owen; Owen Peak; To Mount Owen)

Owen Wister and His Critics: Realism and Morality in the Virginian by Gerald Thompson 64:1:2-10

Owen Wister Out West, His Journals and Letters edited by Fanny Kemble Wister, review 30:2:228-229

Owens, Clyde Meehan 8:1:520-523; 8:2:546-554 (see also Fur Traders)

Owens, Earl 26:1:99; 27:2:231, 239-240

Owens, George 45:2:145

Owens, John (Indian Agent) 25:2:177

Owens, John (peace officer) 15:3:248

Owens, John 49:1:9, 17

Owens, Johnny 37:1:86, 97; 42:1:81-82; 45:2:171

Owens, Patricia Ann review of North American Cattle-Ranching Frontiers: Origins, Diffusion and Differentiation 66:3:80-81 (see also review of Mount Rushmore Story; review of Rise of Multiple-use Management in the Intermountain West: A History of Region 4 of the Forest Service; Overland Mail in Wyoming)

Owens, W. W. 21:1:100

Owl Creek 37:2:230; 44:1:14-15; 47:1:87, 93

Owl Creek Mountains 25:1:84; 39:1:123; 44:1:9, 14-15; 47:1:85 (see also Mexican Pass)

Owl Creek Valley 39:1:120

Owl Woman 59:1:54 (see also Cheyenne Indians)

owls photo 59:1:42

Owyhee River, Oregon 16:2:124

Owyne, Robert 52:1:22 (see also Owen, Robert)

oxen 25:12:57 (see also FIRSTS: "tenderfoot" oxen; freight oxen at rest; Ol’ Bright; Ol’ Bill)

Oxford University Press 66:3:47

Oxteam Days by Ezra Meeker 23:2:58

oxygen apparatus sketch 33:1:14

O’Brien (Sergeant) 28:1:59

O’Brien, Dennis 17:1:78

O’Brien, Ed 37:2:176

O’Brien, Emma 37:1:31

O’Brien, George Morgan (Major) 38:1:18, 43, 45; 51:2:39

O’Brien, H. J. 13:1:76-77

O’Brien, J. 20:2:170

O’Brien, Jack 19:1:47

O’Brien, James 16:1:56; 16:2:180

O’Brien, John 15:2:238; 32:2:223

O’Brien, John D. (Captain) 20:1:87: 28:1:59, 63

O’Brien, M. E. 44:2:166

O’Brien, Martin (Private) 35:1:18

O’Brien, N. J. (Captain) 20:2:169; 27:2:145, 148

O’Brien, Nicholas "Nick" 15:3:248; 37:1:35; 57:1:36-37; 59:1:8

O’Brien, Raymond 39:1:128

O’Brien, William 26:1:64

O’Bryan, Johnny 37:2:223

O’Callaghan, Jerry 27:2:231; 28:2:209

O’Connel, John 31:2:177

O’Connell, Ben 1:3:20

O’Connor, Edna 65:1:44

O’Daniels, Barrie 52:2:3-5, 7, photo 8; 53:1:39-41, 44, 47

O’Dasz, Frank (Mrs.) 30:1:108, 111

O’Day, Tom 18:1:78; 26:1:45-46; 30:1:29-31; 33:2:182; 34:1:48; 47:1:89; 52:2:52

O’Dell, L. N. (Professor) 54:2:4

O’Donnell, John 62:1:13

O’Donnell, W. H. 19:2:106, 108; 35:1:32; 59:2:18

O’Donoghue, A. 14:2:163; 14:3:247

O’Fallon, Benjamin (Major) 15:3:211-212, 235-236, 264

O’Farrell (Major) 44:2:273

O’Gorman, James (Bishop) 39:1:28

O’Grady, Pat 16:2:141

O’Hara, Jack 45:2:168

O’Hara, John 64:1:5

O’Hara, Pat 49:2:275, 280-281

O’Harra, Pat 12:3:222

O’Hearn, John 28:2:138

O’Keefe 39:1:19

O’Keefe, John 19:1:43

O’Kieffe, Charley 58:1:42

O’Kieffe, Mary 58:1:42

O’Leary, Agnes Veronica (see O’Mahoney, Agnes Veronica)

O’Mahoney, Agnes Veronica O’Leary (Mrs. Joseph C.) 37:1:113; 41:2:166, 170; 52:2:3, photo 4, 5-9; 53:1:38-47

O’Mahoney, Dan 41:2:162

O’Mahoney, Dennis 41:2:159-162, 164

O’Mahoney, Elizabeth Shehan 41:2:160

O’Mahoney, Frank 41:2:162, 164; 45:2:211

O’Mahoney-Hatch Act (1949) 45:2:189-190

O’Mahoney, Jerimiah 41:2:161-162

O’Mahoney, Joseph 66:4:25, 54, 58, 60, 61, 62; photos 66:3:48, 55, 60; sketch 59

O’Mahoney, Joseph Christopher (Senator) 15:3:298-306; 18:1:70, 72, 74-76; 20:2:180; 27:2:231, 240; 32:1:108; 37:2:241; 41:2:159-177, photos page following 178, 179-187; 44:2:250-254; photo 45:1:176, 177-224; 48:2:179, 182, 184, 196-197; 49:2:193-195, photo 196, 197-222; 50:1:35, 39-40, 43, 54; 50:2:278; photo 52:1:26, 27-33; 52:2:8-9; 53:1:38-39; 54:1:22; 54:2:25, 27; 55:1:13, 16, photo 17; 55:2:11; 56:1:23; 58:1:31, photo 32; 58:2:28; 64:3/4:8, 10, 22 (see also Joseph Christopher O’Mahoney. A Brief Biography; Joseph Christopher O’Mahoney and the 1952 Senate Election in Wyoming; Wyoming’s Senator Joseph C. O’Mahoney)

O’Mahoney, Michael 41:2:162

O’Mahoney Sugar Bill 59:2:210

O’Mahoney-Hatch Oil and Gas Act (1946) 45:2:181

O’Malley, Ed 27:1:28; 35:2:126-127, 139

O’Malley, St. Clair 35:2:126

O’Marr, Louis 66:3:61

O’Marr, Louis J. (Mrs.) 19:1:60

O’Marr, Louis J. 24:1:4; 45:2:210

O’Neal, Kathleen M. (see review of Peace Chiefs of the Cheyenne)

O’Neal, William F. 26:1:64

O’Neil, A. (Mrs.) 39:1:81

O’Neil, Arthur 44:1:10

O’Neil Field 52:2:21 (see also Cheyenne Field)

O’Neil, Jack 41:1:125; 43:2:185, 192; 53:1:11

O’Neil, Robert 25:1:76, 79-80

O’Neil, T. D. 25:1:58

O’Neil, Thomas J. 32:2:202

O’Neil, Tom (Mrs.) (see Thompson, Mattie)

O’Neil, Tommy 25:1:79

O’Neil, Virginia (Mrs. Robert) 25:1:72, 75, 78, 79-81

O’Neill, Jim 45:2:172-173

O’Neill, O.H. 40:1:27-28

O’Reilley, Bill 64:2:57

O’Reilley, Hazel 64:2:57

O’Rourke, Patrick (Private) 27:2:172

O’Toole, William D. 51:2:50