Title Genres Topics Date (Start) Date (End)
Pearl Knoop letter to Peter C. Petersen regarding bird sightings, June 10, 1964 Correspondence Field notes Bird populations Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1964-06-10 N/A
Audubon field notes for spring 1967 contributed by Frederick W. Kent Clippings (information artifacts) Correspondence Field notes Bird watchers Bird watching Birds--Migration Birds--Research Parulidae | Warblers 1967-03-01 1967-05-31
Ron Muilenburg letter to Nicholas S. Halmi regarding bird sightings, June 8, 1977 Correspondence Field notes Bird populations Bird watching Birds--Migration 1977-06-08 N/A
Mark Orsag forwarded email to Thomas H. Kent regarding a Hawk watch at Hitchcock Nature Area, fall 1998 Correspondence Field notes Bird watching Birds--Counting Birds--Migration 1998-08-01 1998-11-30