Authors: O
- Delepierre, Octave 1802-1879 Sep 1, 2023
- Ohio State University. Biological Club - Aug 31, 2023
- Russkaia pravoslavnaia tserkov - Aug 28, 2023
- Oliphant, Samuel Grant 1864-1936 Aug 22, 2023
- Robinson, Warren F. - Aug 21, 2023
- Watanna, Onoto 1875-1954 Aug 18, 2023
- Nyman, O. E. 1888-1953 Aug 18, 2023
- O'Brien, Nora Connolly 1893-1981 Aug 16, 2023
- Owensby, Clenton E. 1940- Aug 15, 2023
- Paulding, James Kirke 1778-1860 Aug 14, 2023
- Wakeman, Henry Offley 1852-1899 Aug 8, 2023
- Bie, Oskar 1864-1938 Aug 3, 2023
- Barfield, Owen 1898-1997 Aug 3, 2023
- Bosson, Olof E. 1871- Jul 30, 2023
- Thomas, Oldfield 1858-1929 Jul 26, 2023
- Oxford University Press - Jul 14, 2023
- Holland, Vyvyan Beresford 1886-1967 Jun 26, 2023
- Parkhill, Forbes 1892-1974 Jun 15, 2023
- Tarkington, Booth 1869-1946 Jun 14, 2023
- Tūnisī, Muḥammad ibn ʻUmar -1857 May 31, 2023
- United States. National Park Service. Division of Publications - May 30, 2023
- Bale, John 1495-1563 May 23, 2023
- Stubbs, William 1825-1901 May 21, 2023
- Smith, George O. (George Oliver) 1911-1981 May 21, 2023
- Olmsted, Frederick Law 1870-1957 May 15, 2023
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