Authors: O
- Summers, Thomas O. (Thomas Osmond) 1812-1882 940 downloads
- Oliver, Smith Hempstone - 938 downloads
- Lewis, Orlando Faulkland 1873-1922 937 downloads
- Salimbene, da Parma 1221-1287 934 downloads
- Onís, Federico de 1885-1966 925 downloads
- Lissagaray 1838-1901 923 downloads
- Ortega y Gasset, José 1883-1955 921 downloads
- De Morgan, Mary 1850-1907 920 downloads
- Mantere, Oskari 1874-1942 919 downloads
- Orbán, Balázs 1830-1890 918 downloads
- Bland, J. O. P. (John Otway Percy) 1863-1945 918 downloads
- Oberfield, William - 915 downloads
- Rothert, Otto A. 1871-1956 914 downloads
- Shields, G. O. (George O.) 1846-1925 914 downloads
- Benitez, Conrado O. 1889-1971 913 downloads
- O'Connor, John Lawrence 1875- 912 downloads
- Prickard, A. O. (Arthur Octavius) 1843-1939 906 downloads
- Hoppé, E. O. (Emil Otto) 1878-1972 904 downloads
- Ouyang, Xiu 1007-1072 894 downloads
- Causey, James 1924-2003 893 downloads
- Carr, O. A. (Oliver Anderson) 1845-1912 888 downloads
- Osborne, Duffield 1858-1917 887 downloads
- Davis, Owen 1874-1956 886 downloads
- Dacre, Barbarina, Lady 1767-1854 883 downloads
- Hume, Allan Octavian 1829-1912 883 downloads
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