79 authors beginning with "O"

• Oak Ridge National Laboratory.
• Obenchain, Jeannette Brown.
• Ober, Frederick A. 1849-1913
• Oceanography and Limnology Program (Smithsonian Institution)
• O'Connor, Cecilia M. 1927-
• O'Connor, Thomas P.
• O'Connor, Thomas P., 1944-
• Odland, J. Claire.
• Odontological Society of Great Britain.
• Oeder, Georg Christian, 1728-1791
• Ogilby, J. Douglas 1853-1925
• Ogren, Larry H.
• Ohio Academy of Science.
• Ohio Biological Survey.
• Ohio State University.
• Ohio. State University, Columbus.
• Okamura, Kintaro, 1867-1935
• Oken, Lorenz, 1779-1851
• Olalla, A. M.
• Oldenburg, R.
• Oldenland, Henrik Bernard, d. 1699.-
• Oliver, Daniel, 1830-1916
• Oliver, F. W. 1864-1951
• Olmer, D.
• Olsen, Edward John, 1927-
• Olson, Everett Claire, 1910-1993
• Olson, Everett Claire, 1910-1993
• Oltmanns, Friedrich, 1860-
• O'Neale, Lila M. 1886-1948
• O'Neale, Lila M. 1886-1948
• Onofre Mamani, Luperio
• Onslow, Muriel Wheldale.
• Ontario Agricultural College.
• Ontario. Dept. of Agriculture.
• Oosting, Henry John, 1903-
• Oparin, Aleksandr Ivanovich, 1894-1980
• Open Court Publishing Company.
• Oppel, Albert.
• Oppel, Michael, 1782-1820
• Opthalmological Society of the United Kingdom.
• Oquossoc Angling Association.
• Orbigny, Alcide Dessalines d', 1802-1857
• Orces V., Gustavo,
• Ord, George, 1781-1866
• Ordway, John Morse, 1823-1909
• Oregon State Horticultural Society.
• Oregon. Board of Horticulture.
• Orleans County Society of Natural Sciences.
• Orlov, Nikolai.
• Orphanotrophei.
• Orr, Phil C.
• Ortmann, A. E. 1863-1927
• Osbeck, Pehr, 1723-1805
• Osborn Botanical Laboratory.
• Osborn, Dale J., 1922-
• Osborn, Henry Fairfield, 1857-1935
• Osburn, Raymond C. 1872-1955
• Osculati, Gaetano, 1808-1894
• Osgood, Wilfred Hudson, 1875-1947
• Osgood, Wilfred Hudson, 1875-1947
• Oshanin, Vas 1844-1917
• Oshanin, Vasilii Fedorovich, 1844-1917
• Osler, William, 1849-1919
• Osten-Sacken, C. R. 1828-1906
• Osten-Sacken, C. R. 1828-1906
• Osterhout, W. J. V. 1871-1964
• Ostrom, John H.
• OTA Oceans Program.
• O'Toole, George Barry, 1886-1944
• Ottawa Field-Naturalists' Club.
• Otté, E. C.
• Otth, Carl Adolphe, 1803-1839
• Oudemans, C. A. J. A. 1825-1906
• Oudet.
• Ouwens, P. A.
• Owen, Charles, d 17-6
• Owen, Richard, 1804-1892
• Owen, Richard, 1804-1892
• Owens, David W