Title Genres Topics Date (Start) Date (End)
Robert Jessen letter and checklist to Vernon M. Kleen regarding birds sighted during 1974 fall migration, December 1, 1974 Checklists Correspondence Bird watching Birds--Identification Birds--Migration Birds--Research Ornithology--Methodology 1974-08-01 1974-11-30
Robert Jessen letter and checklist to Vernon M. Kleen regarding winter birds sighted in Mahaska County, April 2, 1975 Checklists Correspondence Field notes Bird watching Birds--Identification Birds--Research Ornithology--Methodology 1975-04-02 N/A
Breeding bird survey, 1976 Checklists Bird watching Birds--Breeding Birds--Research Ornithology--Methodology N/A N/A
Gladys Black letter to Nicholas S. Halmi regarding bird sightings and Iowa Northern Shrikes checklist, February 8, 1977 Checklists Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1976-12-01 1977-02-28
Bird sightings checklist, spring 1977 Checklists Field notes Bird watching Birds--Research Ornithology--Methodology 1977-03-01 1977-05-31
Iowa Ornithologists' Union field check list, winter 1979-1980 Checklists Field notes Bird watching Birds--Identification Birds--Research Ornithology--Methodology 1979-12-01 1980-02-28
Field report and bird sightings checklist contributed by Peter P. Wickham, summer 1982 Checklists Field notes Bird declines Bird watching Birds--Identification Birds--Nests Birds--Research Ornithology--Methodology Parulidae | Warblers 1982-06-01 1982-07-31
Iowa bird observers name and location list Checklists Bird watchers Ornithology--Methodology 1986-12-01 1987-02-28
Check-list of Iowa Birds, prepared by Philip DuMont, April 22, 1954 Checklists Birds--Geographical distribution Extinct birds Ornithology--Methodology Rare birds 1954-04-22 N/A
A ten year calendar of three hundred and eighty-one wild birds of Iowa Checklists Field notes Bird watching Ornithology--Bibliography 1919-04-25 N/A
Documents regarding a Wood Duck study, February 27, 1964 Checklists Correspondence Questionnaires Bird surveys Bird watchers Birds--Nests Birds--Research Ornithology--Methodology Predatory animals Ducks--Counting Ducklings 1964-02-27 N/A