Other
- Audubon, John James, 1785-1851 3 results
- Wilson, Alexander, 1766-1813 3 results
- Baird, Spencer Fullerton, 1823-1887 2 results
- Barnes, Laura T. 2 results
- Barton, Benjamin Smith, 1766-1815 2 results
- Camburn, Carol A. 2 results
- Denker, Ellen 2 results
- Peterson, Roger Tory, 1908-1996 2 results
- Sibley, David, 1961- 2 results
- Stone, Witmer, 1866-1939 2 results
- Warren, Benjamin Harry, 1858-1926 2 results
- A.K. Newman & Co 1 results
- Academy of Natural Sciences of Drexel University 1 results
- Allen, Elsa Guerdrum 1 results
- Atkinson, Wilmer, 1840-1920 1 results
- Audubon, Maria R. (Maria Rebecca), 1843-1925 1 results
- Bailey, Florence Merriam, b. 1863 1 results
- Bailey, Vernon, 1864-1942 1 results
- Baily, William L. 1 results
- Barone, Robin, 1 results
- Bell, John Graham 1 results
- Benson, Maxine 1 results
- Bonaparte, Charles Lucian, 1803-1857 1 results
- Borneman, Henry Stauffer, 1870-1955 1 results
- Brauning, Daniel W. 1 results
- Cassin, John, 1813-1869 1 results
- Chapman, Frank M. (Frank Michler), 1864-1945 1 results
- Cornell University. Laboratory of Ornithology 1 results
- Coues, Elliott, 1842-1899 1 results
- Custer, Kimberly J. 1 results
- Dean and Munday (Firm) 1 results
- Delaware Valley Ornithological Club 1 results
- Delaware Valley Ornithological Club (Philadelphia) 1 results
- Delaware Valley Ornithological Club, Philadelphia 1 results
- Fenton, William N. (William Nelson), 1908-2005 1 results
- Giovannoli, Leonard 1 results
- Greenewalt, Crawford H., 1902- 1 results
- Grundtvig, Frederik Lange, 1854-1903 1 results
- Haddonfield Middle School Nature Club 1 results
- Hines, Bob 1 results
- Historical Society of Frankford (Philadelphia, Pa.) 1 results
- Humphreys, Phebe Westcott, 1864-1939 1 results
- Hunter, Clark 1 results
- Jardine 1 results
- Jasper, Theodore 1 results
- John James Audubon Center at Mill Grove 1 results
- Kholodnyĭ, Petro, 1902-1990 1 results
- Krider, John 1 results
- Lagnese, Francesco, 1 results
- Le Moine, J. M. (James MacPherson), Sir, 1825-1912 1 results more…