Title Genres Topics Date (Start) Date (End)
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
Checklist of birds by state and country Checklists Field notes Bird watching Birds--Geographical distribution Birds--Research Gruiformes | Cranes, Rails, and Coots Columbiformes | Doves and Pigeons Anseriformes | Ducks, Geese, and Swans Pelecaniformes | Pelicans, Cormorants, Darters, and Frigate-birds Podicipediformes | Grebes Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Gaviiformes | Loons Passeriformes | Perching-birds and songbirds Charadriiformes | Shore-birds, Gulls, and Auks Galliformes | Quails, Pheasants, Turkeys, and Grouse Piciformes | Woodpeckers and allies Strigiformes | Owls Apodiformes | Swifts and Hummingbirds Cuculiformes | Cuckoos, Roadrunners, and Anis Caprimulgiformes | Nighthawks and Nightjars Coraciiformes | Kingfishers N/A N/A
Polk County check-list of the observations of members of the Des Moines Audubon Society Checklists Field notes Maps (documents) Bird watching Birds--Migration Birds--Research 1973-11-01 1973-11-30
Annotated copy of Polk County check-list of the observations of members of the Des Moines Audubon Society, 1959 Checklists Field notes Maps (documents) Bird watching Birds--Migration Birds--Research 1949-06-05 1973-04-17
Annotated copy of Polk County check-list of the observations of members of the Des Moines Audubon Society, 1953 Checklists Field notes Bird watching Birds--Migration Birds--Research 1938-11-17 1959-12-31