| O | Name | Book Title | Author | Vol. # and/or Page # | Call # | Photo |
| O.P. Huish | 979.208 D265 no. 104 | |||||
| Oakes, Horace | History of Idaho, the Gem of the Mountains | V.3, p. 562 | 979.6 H316 | |||
| Oakes, Marjorie | 925 Id1w | |||||
| Oakley, Charles H. | History of Idaho, the Gem of the Mountains | V.3, p. 714 | 979.6 H316 | |||
| Oakley, James | 979.208 D265 no. 170 | |||||
| Oakley, John | 979.208 D265 no. 93 | |||||
| Oakley, John D. | 979.208 D265 no. 113 | |||||
| Oakley, John Degroot | 979.208 D265 no. 116 | |||||
| Oakley, Mary Ann | 979.208 D265 no. 246 | |||||
| Oakley, William Sherman | History of Idaho, the Gem of the Mountains | V.2, p. 520 | 979.6 H316 | |||
| Oaks, Dallin H. | 979.208 D265 no. 361 | |||||
| Oberhansley, Milly | Selected Personality Profiles | Fairbanks | V.2, p. 51 | 925 F153 | ||
| Oberhansli, Mary Stabeli | 979.208 D265 no. 138 | |||||
| Oberhansli, Mary Ursula Staheli | 979.208 D265 no. 242 | |||||
| Oberholtzer, Clarence M. | History of Idaho, the Gem of the Mountains | V.2, p. 414 | 979.6 H316 | |||
| Obermeyer, Henry | History of Idaho, the Gem of the Mountains | V.3, p. 208 | 979.6 hH16 | |||
| Obermeyer, John | History of Idaho, the Gem of the Mountains | V.3, p. 68 | 979.6 H316 | |||
| Obermeyer, Lewis | History of Idaho, the Gem of the Mountains | V.2, p. 748 | 979.6 H316 | |||
| Obermeyer, William | History of Idaho, the Gem of the Mountains | V.2, p. 789 | 979.6 H316 | |||
| Oblin, George P. | 979.208 D265 no. 224 | |||||
| Oborn, Henry | Utah Since Statehood | Warrum | V.3, p. 1035 | 979.2 W259 | ||
| Oborn, John | 979.208 D265 no. 79 | |||||
| O’Bryant, William Jackson | History of Idaho | Beal | V.3, p. 139 | 979.6 B362 | ||
| O’Carroll, P.J. | Utah Since Statehood | Warrum | V.3, p. 47 | 979.2 W259 | ||
| O’Carroll, Patrick | 979.208 D265 no. 339 | |||||
| O’Connolly, Thomas R. | Utah Since Statehood | Warrum | V.2, p. 239 | 979.2 W259 | ||
| O’Connor, John F. | History of Idaho, the Gem of the Mountains | V.4, p. 467 | 979.6 H316 | |||
| O’Connor, William J. | Utah, a Centennial History | Sutton | V.3, p. 244 | 979.2 Su87 | ||
| Odell, George T. | Utah Since Statehood | Warrum | V.2, p. 100 | 979.2 W259 | ||
| Odell, Joseph | Utah Since Statehood | Warrum | V.4, p. 127 | 979.2 W259 | ||
| O’Donnell D.G. | Utah, the Storied Domain | Alter | V.2, p. 136 | 979.2 AL79u | ||
| O’Donnell, E.B. | History of Idaho, the Gem of the Mountains | V.3, p. 784 | 979.6 H316 | |||
| O’Donnell, Neil Devine | Utah, a Centennial History | Sutton | V.3, p. 253 | 979.2 Su87 | ||
| O’Donnell, Neil G. | Utah, the Storied Domain | Alter | V.2, p. 90 | 979.2 AL79u | ||
| O’Driscoll, John | 979.208 D265 no. 184 | |||||
| O’Dwyer, George | History of Idaho, the Gem of the Mountains | V.4, p. 215 | 979.6 H316 | |||
| O’Hare, Kate | 925 Id1w | |||||
| Ohlin, John | Utah since Statehood | Warrum | V.4, p. 25 | 979.2 W259 | ||
| Ohlson, Elsie Scharangel | p. 109 | 925 K634i | Yes | |||
| Oilshire, james Franklin | V.3, p. 429-431 | 979.62 D361 | ||||
| Okerlund, Charles Perry | Utah since Statehood | Warrum | V.4, p. 324 | 979.2 W259 | ||
| Olafsson, Isleukur | 979.208 D265 no. 250 | |||||
| Oldfield, Anne | V.22 or 1911, p. 30 | 289.35 Y87 | ||||
| Oldham, Mary Smith | History of Idaho | Beal | V.3, p. 484 | 979.6 B362 | ||
| Oldham, Samuel P. | History of Idaho, the Gem of the Mountains | V.2, p. 604 | 979.6 H316 | |||
| Oldham, William B. | History of Idaho, the Gem of the Mountains | V.2, p. 236 | 979.6 H316 | |||
| Oldroyd, John J. | Utah Since Statehood | Warrum | V.2, p. 781 | 979.2 W259 | ||
| Olesberg, James Richard | History of Idaho | Beal | V.3, p. 223 | 979.6 B362 | ||
| Olesen, Peter Scott | History of Idaho | Beal | V.3, p. 469 | 979.6 B362 | ||
| Olham, Earland | MSS 183 | |||||
| Olin, Ruth Estelle | 925 Id1w | |||||
| Oliphant, Margaret | V.22 or 1911, p. 30 | 289.35 Y87 | ||||
| Olin, O.A. | History of Idaho, the Gem of the Mountains | V.4, p. 303 | 979.6 H316 | |||
| Olin, Robert Winslow | History of Idaho | Beal | V.3, p. 237 | 979.6 B362 | ||
| Oliphant, D.H. | 979.208 D265 no. 113 | |||||
| Oliver, James | 979.208 D265 no. 175 | |||||
| Oliver, W.T. | History of Idaho, the Gem of the Mountains | V.2, p. 785 | 979.6 H316 | |||
| Ollerton, Jame Rogerson | 979.208 D265 no. 339 | |||||
| Olmstead, Neil R. | Utah, a Centennial History | Sutton | V.3, p. 50 | 979.2 Su87 | ||
| Ologson, Albert C. | Utah Since Statehood | Warrum | V.4, p. 513 | 979.2 W259 | ||
| Olpin, A. Ray | 979.208 D265 no. 128 | |||||
| Olsen, Andrew P. | Utah Since Statehood | Warrum | V.3, p. 973 | 979.2 W259 | ||
| Olsen, Annie Catherine Christnesen | 979.208 D265 no. 282 | |||||
| Olson, Berkley | Utah Since Statehood | Warrum | V.2, p. 1068 | 979.2 W259 | ||
| Olson, Caroline Nelson | p. 110 | 925 K634i | Yes | |||
| Olsen, Christian F. | Utah Since Statehood | Warrum | V.4, p. 400 | 979.2 W259 | Yes | |
| Olson, Culbert Levy | Utah Since Statehood | Warrum | V.3, p. 771 | 979.2 W259 | ||
| Olsen, David | Utah Since Statehood | Warrum | V.3, p. 622 | 979.2 W259 | ||
| Olson, Lieutenant Colonel De Witt P. | History of Idaho, the Gem of the Mountains | V.3, p. 572 | 979.6 H316 | |||
| Olsen, E. Carl | Utah, a Centennial History | Sutton | V.3, p. 117 | 979.2 Su87 | ||
| Olsen, Edward A. | Utah Since Statehood | Warrum | V.2, p. 544 | 979.2 W259 | ||
| Olson, Eirik | 979.208 D265 no. 250 | |||||
| Olsen, Emma Reeve | 979.208 D265 no. 382 | |||||
| Olson, Erick Lehi (Bishop) | Utah Since Staehood | Warrum | V.4, p. 604 | 979.2 W259 | Yes | |
| Olsen, Evelyn | 925 Id1w | |||||
| Olsen, Ferdinand Henry | Utah Since Statehood | Warrum | V.3, p. 1068 | 979.2 W259 | Yes | |
| Olsen, Frederick | p. 329 | 925 P943 | ||||
| Olsen, Hans C. | Utah Since Statehood | Warrum | V.3, p. 857 | 979.2 W259 | ||
| Olsen, Harold E. | Utah, a Centennial History | Sutton | V.3, p. 116 | 979.2 Su87 | ||
| Olson, Heber S. | Utah Since Statehood | Warrum | V.3, p. 545 | 979.2 W259 | ||
| Olson, James | 979.208 D265 no. 29 | |||||
| Olsen, James F. | Utah Since Statehood | Warrum | V.4, p. 782 | 979.2 W259 | ||
| Olsen, James Peter | 979.208 D265 no. 216 | |||||
| Olson, Jess C. | Utah Since Statehood | Warrum | V.2, p. 210 | 979.2 W259 | Yes | |
| Olson, John | 979.208 D265 no. 276 | |||||
| Olsen, John C. | p. 331 | 925 P943 | ||||
| Olsen, John K. | Utah Since Statehood | Warrum | V.3, p. 1015 | 979.2 W259 | ||
| Olson, L.M. | History of Utah | Whitney | V.4, p. 655 | 979.2 W615h | ||
| Olson, Leon L. | Utah Since Statehood | Warrum | V.4, p. 803 | 979.2 W259 | ||
| Olson, Leroy Olaf | p.111 | 925 K634i | Yes | |||
| Olsen, Lillian | 925 Id1w | |||||
| Olsen, Melvin C., D.C. | Utah Since Statehood | Warrum | V.3, p. 804 | 979.2 W259 | ||
| Olson, O. Clarence | Utah, a Centennial History | Sutton | V.3, p. 323 | 979.2 Su87 | ||
| Olson, Ole | Utah Since Statehood | Warrum | V.4, p. 725 | 979.2 W259 | ||
| Olson, Ole | Smithfield Diaries | Folder 11 | COLL MS 34 Box 4 | |||
| Olsen, Ole Harmon | 979.208 D265 no. 297 | |||||
| Olsen, Peter H. | Utah Since Statehood | Warrum | V.2, p. 189 | 979.2 W259 | ||
| Olsen, Peter Isaac | 979.208 D265 no. 172 | |||||
| Olsen, Peterson | 979.208 D265 no. 339 | |||||
| Olsen, Rasmus A. | Utah Since Statehood | Warrum | V.3, p. 385 | 979.2 W259 | ||
| Olson, Raymond L. | Utah, the Storied Domain | Alter | V.2, p. 260 | 979.2 AL79u | ||
| Olson, Sven | 979.208 D265 no. 210 | |||||
| Olson, William .f | Utah, the Storied Domain | Alter | V.3, p. 102 | 979.2 AL79u | ||
| Olsson, Carl J. | Utah Since Statehood | Warrum | V.4, p. 338 | 979.2 W259 | ||
| Olwell, William H. | Selected Personality Profiles | Fairbanks | V.1, p. 93 | 925 F153 | ||
| O’Ma;oa. F;premce | 925 Id1w | |||||
| Onderconk, Hon. James L. | History of Idaho Territory | p. 253 | VAULT BK 65 | |||
| 979.6 H629 | ||||||
| O’Neil, William | Arizona Characters in Silhouette | Murdock | P 129 | |||
| O’Niell, John P. | Utah Since Statehood | Warrum | V.2, p. 390 | 979.2 W259 | Yes | |
| Onwiler, Elizabeth | 925 Id1w | |||||
| Openshaw, David A. | Utah Since Statehood | Warrum | V.2, p. 226 | 979.2 W259 | ||
| Openshaw, Esterh Ellen | 979.208 D265 no. 335 | |||||
| Openshaw, George Ingham | 979.208 D265 no. 335 | |||||
| Openshaw, Lizzie Eckersley | 979.208 D265 no. 155 | |||||
| Openshaw, Samuel | 979.208 D265 no. 408 | |||||
| Openshaw, Sarah Elizabeth | 979.208 D265 no. 335 | |||||
| Openshaw, William L. | Utah Since Statehood | Warrum | V.2, p. 534 | 979.2 W259 | ||
| Oppenheim, Benjamin | History of Idaho, the Gem of the Mountains | V.2, p. 419 | 979.6 H316 | |||
| W. | ||||||
| Oppman, Benjamin | Utah Since Statehood | Warrum | V.2, p. 417 | 979.2 W259 | ||
| Orem, Walter Claude | Utah, the Storied Domain | Alter | V.2, p. 564 | 979.2 AL79u | ||
| Orem, Walter Claude | Utah Since Statehood | Warrum | V.2, p. 708 | 979.2 W259 | Yes | |
| Orford, Colin | History of Idaho, the Gem of the Mountains | V.3, p. 354 | 979.6 H316 | |||
| Orford, Ernest Valentine | History of Idaho, the Gem of the Mountains | V.2, p. 784 | 979.6 H316 | |||
| Orme, Abraham | 979.208 D265 no. 234 | |||||
| Orme, C. Alvin | Utah Since Statehood | Warrum | V.2, p. 34 | 979.2 W259 | ||
| Orme, E.M. | Utah Since Statehood | Warrum | V.2, p. 195 | 979.2 W259 | ||
| Orme, Gilbert C. | V.3, p. 81-82 | 979.62 D361 | ||||
| Orme, Gilbert C. | History of Idaho | Beal | V.3, p. 368 | 979.6 B362 | ||
| Orme, Samuel W. | History of Idaho, the Gem of the Mountains | V.2, p. 958 | 979.6 H316 | |||
| Orme, Samuel Washington | 979.208 D265 no. 275 | |||||
| Orme, William G. | Utah, the Storied Domian | Alter | V.2, p. 257 | 979.2 AL79u | ||
| Ormond, John | Memories of Early Days in Cache Valley | Ricks | p. 53-55, May 3, 1924 | FILE MS 389 | ||
| Ormsby, Oliver C. Dr. | Tullidge’s Histories of Utah | V.2, p. 42 | 979.2 T825h | |||
| Ormsby, Oliver Cromwell | Tullidge’s Histories | V.2, p. 42 | 979.6 T825h | |||
| Orr, Clarence N. | Utah Since Statehood | Warrum | V.4, p. 200 | 979.2 W259 | ||
| Orr, R.A. | History of Idaho, the Gem of the Mountains | V.4, p. 570 | 979.6 H316 | |||
| Orr, Robet | 979.208 D265 no. 212 | |||||
| Orr, Thomas | 979.208 D265 no. 311 | |||||
| Orr, Wesley f. | Idaho, the Place and its People | De Fenbach | V.2, p. 413 | 979.62 D361 | ||
| Osborn, Cynthia Butler | 979.208 D265 no. 29 | |||||
| Osborn, David Jr. | p.335 | 925 P943 | ||||
| Osborn, Wlizabeth Klein | 925 Id1w | |||||
| Osborn, Tremain Merton | History of Idaho, the Gem of the Mountains | V.4, p. 392 | 979.6 H316 | |||
| Osborne, Charlotte | 979.208 D265 no. 193 | |||||
| Osgood, Frances Sargent | V.22 or 1911, p. 29 | 289.35 Y87 | ||||
| Osgood, Franklin C., D.D.S. | Utah Since Statehood | Warrum | V.3, p. 192 | 979.2 W259 | ||
| Oskia, Stanley J. | History of Idaho, the Gem of the Mountains | V.3, p. 750 | 979.6 h316 | |||
| Osmond, George | History of Idaho Territory | p. 276 | VULT BK 65 | |||
| 979.6 H629 | ||||||
| Osmond, George | Tullidge’s Histories of Utah | V.2, p. 343 | 979.2 T825h | |||
| Osmond, George | Tulldge’s Histories | V.2, p. 343 | 979.2 T825h | |||
| Ostander, D.W. | Utah Since Statehood | Warrum | V.4, p. 749 | 979.2 W259 | ||
| Oster, Fred G. | Idaho, the Place and its People | De Fenbach | V.2, p. 84 | 979.62 D361 | ||
| Oster, Harry | Utah, a Centennial History | Sutton | V.3, p. 184 | 979.2 Su87 | ||
| Ostlund, Anders Mils Erickson | 979.208 D265 no. 219 | |||||
| Ostund, Emil | Utah Since Statehood | Warrum | V.4, p. 184 | 979.2 W259 | ||
| Ostund, Hannah Gyllenskog | 979.208 D265 no.228 | |||||
| Ostner, Edward C. | History of Idaho, the Gem of the Mountains | V.2, p. 850 | 979.6 H316 | |||
| Ostrander, Ernest Eugene | History of Idaho | Beal | V.3, p. 63 | 979.6 B362 | ||
| Ostrom, Hohn W. | Utah, the Storied Domain | Alter | V.2, p. 456 | 979.2 AL79u | ||
| Ostrum, Nellie | 925 Id1w | |||||
| Osuthorpe, John H. | Utah Since Statehood | Warrum | V.3, p. 862 | 979.2 w259 | ||
| Otter, Gay Simplot | 925 Id1w | |||||
| Ottesen, Brigitte | 979.208 D265 no. 339 | |||||
| Ottenson, Christian | Utah Since Statehood | Warrum | V.4, p. 499 | 979.2 W259 | ||
| Ottesen, Larsine Olsen | 979.208 D265 no. 344 | |||||
| Ottinger, George M. | 979.208 D265 no. 104 | |||||
| Ottinger, George Martin | 979.208 D265 no. 38 | |||||
| Ottinger, George M. | 979.208 D265 no. 355 | |||||
| Ottinger, George Martin | 979.208 D265 no. 50 | |||||
| Pottinger, George M. | p. 24 | 709.792 H783d | ||||
| Ottley, David Frank | Utah, the Storied Domain | Alter | V.2, p. 341 | 979.2 AL79u | ||
| Ottosen, Anna Johana Larsen | 979.208 D265 no. 171 | |||||
| Ottosen, Nephi | Utah since Statehood | Warrum | V.3, p. 1819 | 979.2 W259 | ||
| Oud, John b. | History of Idaho | Beal | v.3, p. 247 | 979.6 B362 | ||
| Over, Charles, B. | History of Idaho, the Gem of the Mountains | V.2, p. 272 | 979.6 H316 | |||
| Overfelt, Ira | Utah Since Statehood | Warrum | V.3, p. 611 | 979.2 W259 | ||
| Overmyer, Dorothy W. | 925 Id1w | |||||
| Overmyer, Ira F. | History of Idaho, the Gem of the Mountains | V.2, p. 443 | 979.6 H316 | |||
| Owen, Edwin Stanton | History of Idaho, the Gem of the Mountains | V.2, p. 726 | 979.6 H316 | |||
| Owen, Emery A. | History of Idaho, the Gem of the Mountains | V.2, p. 104 | 979.6 H316 | |||
| Owen, Evan R. | Utah Since Statehood | Warrum | V.4, p. 177 | 979.2 W259 | ||
| Owen, Henry William | 979.208 D265 no. 296 | |||||
| Owen, James A. | p.339 | 925 P943 | ||||
| Owen, James | 979.208 D265 no. 170 | |||||
| Owen, Mary | 979.208 D265 no. 296 | |||||
| Owen, Seeley | 979.208 D265 no. 205 | |||||
| Owen, William | p.332 | 925 P943 | Yes | |||
| Owens, Beatrice Ann Eliza Teeples | 979.208 D265 no. 242 | |||||
| Owens, C.J. | p. 330 | 925 p943 | ||||
| Owens, Cadwallader Owens | 979.208 D265 no. 311 | |||||
| Owens, Jesse Waite | Utah Since Statehood | Warrum | V.2, p. 408 | 979.2 W259 | ||
| Owens, Joseph | 979.208 D265 no. 116 | |||||
| Owens, Russell Wayne M.D. | Utah, the Storied Domain | Alter | V.3, p. 69 | 979.2 AL79u | ||
| Owens, Silas Ardene | 979.208 D265 no. 147 | |||||
| Owens, Sylbester | Utah Since Statehood | Warrum | V.2, p. 896 | 979.2 W259 | Yes | |
| Owens, William | 979.208 D265 no. 116 | |||||
| Owl, Frell MacDonald | History of Idaho | Beal | V.3, p. 19 | 979.6 B362 | ||
| Owsley, Merritt Miner | V.3, p. 212-213 | 979.62 D361 | ||||
| Oxbrrow, Mary Leight | 979.208 D265 no. 241 | |||||
| Oylear, George W. | History of Idaho, the Gem of the Mountains | V.2, p. 583 | 979.6 H316 |