Authors: O
- Mary Agnes, Sister, O.S.B. - 378 downloads
- Olgin, Moissaye J. (Moissaye Joseph) 1874-1939 376 downloads
- Speckter, Otto 1807-1871 376 downloads
- Hauser, J. Odell - 375 downloads
- Lampén, O. E. 1880-1925 375 downloads
- Kacziány, Ödön 1852-1933 374 downloads
- O'Clery, Michael 1575-1643 374 downloads
- Howard, L. O. (Leland Ossian) 1857-1950 372 downloads
- Oddo, Henri 1844-1906 371 downloads
- Schwink, Otto - 371 downloads
- Olmstead, A. T. (Albert Ten Eyck) 1880-1945 370 downloads
- Rice, Orville O. (Orville Owen) 1919-1986 367 downloads
- Oliver, Margaret Scott - 366 downloads
- Draper, George Orrin 1884-1954 365 downloads
- Otis, Charles Herbert 1886- 365 downloads
- Wilson, J. O. - 364 downloads
- O'Hagan, Thomas 1855-1939 363 downloads
- Nuorteva, Väinö Albert 1889-1967 363 downloads
- Godin des Odonais, Jean 1712-1792 362 downloads
- Job 1858-1931 361 downloads
- Opp, Julie 1871-1921 360 downloads
- Wiggins, Evelina Oakley 1878- 359 downloads
- Barker, M. H. (Matthew Henry) 1790-1846 358 downloads
- Irons, William J. (William Josiah) 1812-1883 358 downloads
- Holmboe, Othar - 358 downloads
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