Author
Bailey, Vernon, 1864-1942
51
Bailey, Florence Merriam, 1863-1948
49
Merriam, C. Hart (Clinton Hart), 1855-1942
49
Muir, John, 1838-1914
49
Online Archive of California
49
Roosevelt, Theodore, 1858-1919
49
Mearns, Edgar Alexander, 1856-1916
10
National Museum of Natural History (U.S.) Pacific Ocean Biological Survey Program
10
Preble, Edward Alexander, 1871-1957
10
Nelson, Edward William, 1855-1934
6
Smithsonian Migratory Bird Center
6
Thompson, Max C.
6
Wetmore, Alexander, 1886-1978
6
Bartlett, Bob, 1875-1946
4
Dall, William Healey, 1845-1927
4
Greenberg, Russell
4
Hoeman, John Vincent
4
Smith, Neal Griffith, 1937-
4
Stejneger, Leonhard, 1851-1943
4
Clapp, Roger B.
2
Collett, Robert, 1842-1913
2
Cooper, William, 1798?-1864
2
Coues, Elliott, 1842-1899
2
DeLong, Robert L.
2
Fleischer, Ernst, active 1823-1878
2
Gabrielson, Ira Noel, 1889-1977
2
Gould, Patrick J.
2
Handley, Charles O. Jr. (Charles Overton), 1924-2000
2
Harriman Alaska Expedition 1899-
2
Hazard, Gjon
2
Hirschfeld, J. B.,
2
Holbøll, Carl, 1795-1856
2
Maynard, C. J. (Charles Johnson), 1845-1929
2
Montevecchi, William A
2
Murdoch, John, 1852-1925
2
Naumann, Friedrich
2
Paulsen, J. H., Dr.,
2
Stimpson, William, 1832-1872
2
True, Frederick W. (Frederick William), 1858-1914
2
Tuck, Leslie M., 1911-1979
2
Austin, Oliver Luther, 1903-1988
1