Title Genres Topics Date (Start) Date (End)
Woodward H. Brown letter to Nicholas S. Halmi regarding bird sightings, February 12, 1978 Correspondence Field notes Bird watching Birds--Research 1978-02-12 N/A
Nicholas S. Halmi letter to Vernon M. Kleen regarding bird sightings, March 12, 1978 Correspondence Field notes Bird watching Birds--Research 1978-03-12 N/A
Iowa Ornithologists' Union, Quarterly field report, summer 1967 and Audubon field notes for Iowa, summer 1967 Field notes Bird watching Birds--Nests Birds--Research Ornithology--Methodology Laniidae | Shrikes Parulidae | Warblers 1967-06-01 1967-07-31
Hank Zaletel letter to Nicholas S. Halmi regarding bird sightings, April 15, 1978 Correspondence Field notes Bird watching Birds--Research 1978-04-15 N/A
Field notes contributed by Thomas H. Kent, winter 1979-1980 Field notes Reports Bird watching Birds--Research Anseriformes | Ducks, Geese, and Swans Accipitridae | Hawks and Eagles Ornithology--Methodology 1979-12-01 1980-02-28
Douglas C. Harr letter to Peter C. Petersen regarding bird sightings, June 23, 1977 Correspondence Field notes Bird banding Bird watching Birds--Research 1977-06-23 N/A
Audubon field notes, winter migration, 1963 Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1963-03-31 N/A