Author
Abbott, Robert Tucker, 1919-
2 results
National Audubon Society
2 results
Sandström, George F.
2 results
Bessette, Alan E.
1 results
Brockman, C. Frank (Christian Frank), 1902-1985
1 results
Butterfield, Charles H.
1 results
Elliott, Douglas B.
1 results
Hatch, Stephan L., 1945-
1 results
House, Homer D. (Homer Doliver), 1878-1949
1 results
Hylander, Clarence J. (Clarence John), 1897-1964
1 results
Jaques, H. E. (Harry Edwin), 1880-1963
1 results
Johnston, Edith Farrington
1 results
McKnight, Kent H.
1 results
McKnight, Vera B.
1 results
Merrilees, Rebecca A.
1 results
Mickel, John
1 results
Murie, Olaus Johan, 1889-1963
1 results
National Wildlife Federation
1 results
Platt, Rutherford Hayes, 1894-1975
1 results
Sibley, David, 1961-
1 results
Smithsonian Institution. Bureau of American Ethnology
1 results
Stubbendieck, James L.
1 results
Ubick, Darrell
1 results
Voshell, J. Reese
1 results