Authors: Oliver
- Diraison-Seylor, Olivier 1873-1916
- D'Oliveira, E. (Elias) 1886-1944
- Dunbar, Olivia Howard 1873-1953
- Elton, Letitia MacColl -
- Elton, Oliver 1861-1945
- Exquemelin, A. O. (Alexandre Olivier) 1645-
- Fabre d'Olivet, Antoine 1767-1825
- Farrington, Oliver C. (Oliver Cummings) 1864-1933
- Fleming, Oliver -
- Fonseca, Augusto de Oliveira Cardoso 1842-1917
- Foster, Olive Hyde -
- Frink, Olive Bacon -
- Gerrare, Wirt 1862-1935
- Gilbert, Olive -
- Girondo, Oliverio 1891-1967
- Glenn, Oliver E. (Oliver Edmunds) 1878-
- Goldsmith, Oliver -1774
- Harper, Olive 1842-1915
- Hartley, Oliver -
- Hay, Oliver Perry 1846-1930
- Henry, Stuart Oliver 1860-1953
- Herford, Oliver 1863-1935
- Hobbes, John Oliver 1867-1906
- Hogue, Oliver 1880-1919
- Holmes, Oliver Wendell 1841-1935
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