Title Genres Topics Date (Start) Date (End)
Gladys Black letter to Nicholas S. Halmi regarding bird watching, April 27, 1977 Correspondence Field notes Bird watching Birds--Nests Rare birds Predation (Biology) 1977-04-27 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird sighting reports, March 18, 1977 Correspondence Field notes Bird watching Birds--Behavior Anseriformes | Ducks, Geese, and Swans Predation (Biology) 1977-03-18 N/A
Walter Rosene letter to Philip DuMont regarding Prairie Chicken pictures, November 21, 1930 Correspondence Birds--Behavior Birds--Eggs Birds--Nests Photography of birds Predation (Biology) Snakes--Behavior 1930-11-21 N/A