Title Genres Topics Date (Start) Date (End)
Arrival dates of water birds Research notes Bird watching Birds--Geographical distribution Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Water birds N/A N/A
Darwin Koenig letter to James J. Dinsmore regarding bird sightings, August 1, 1988 Correspondence Field notes Bird watching Birds--Nests Birdsongs Birds--Infancy Birds--Feeding and feeds 1988-08-01 N/A
IOU field reports form, Douglas C. Harr, July 29, 1988 Field notes Forms (documents) Bird watching Birdsongs Weather Birds--Infancy 1988-07-29 N/A
Field notes and Bery Engebretsen letter to James J. Dinsmore, July 30, 1988 Correspondence Field notes Bird watching Birds--Nests Birdsongs Scolopacidae | Sandpipers, Phalaropes, and allies Parulidae | Warblers Weather Birds--Infancy 1988-07-30 N/A
Bruce Ehresman letter to James J. Dinsmore regarding bird sightings, August 4, 1988 Correspondence Field notes Bird watching Birds--Identification Birds--Research Birds--Infancy 1988-08-04 N/A
List of bird sighted in Boone County on May 14, 1933 Field notes Research notes Bird watching Anseriformes | Ducks, Geese, and Swans Parulidae | Warblers Weather Emberizidae | Sparrows 1933-05-14 N/A
Documentation form for extraordinary bird sightings in Iowa, Cooper's Hawk, June 11, 1988 Field notes Forms (documents) Bird watching 1988-06-11 N/A
A list of birds in "Birds of Iowa" which lack Iowa specimens Research notes Bird watching Birds--Geographical distribution Zoological specimens N/A N/A
Species considered extinct in Iowa Research notes Bird watching Birds--Geographical distribution Extinct birds Rare birds Birds--Collection and preservation N/A N/A
Winter visitors Research notes Bird watching Birds--Geographical distribution Winter N/A N/A
Permanent residents Research notes Bird watching Birds--Geographical distribution N/A N/A
Breeding status undetermined Research notes Bird watching Birds--Geographical distribution Zoological specimens N/A N/A
List of Iowa birds Research notes Drafts (documents) Articles Bird watching Birds--Geographical distribution N/A N/A
Oscar Root letter to Philip DuMont regarding birds sighted in Iowa, August 11, 1938 Correspondence Field notes Bird watching 1938-08-11 N/A
Average date of arrival of migratory birds Research notes Bird watching Birds--Migration Rare birds N/A N/A
Allen Green letter to Philip DuMont regarding Snowy Egrets and Black Ducks, May 9, 1934 Correspondence Bird watching Birds--Migration 1934-05-09 N/A
Emil Nauman letter to Philip DuMont regarding bird sightings Correspondence Bird watching Birds--Identification N/A N/A
Dale Stone letter to James J. Dinsmore regarding Upland Sandpiper sightings, August 3, 1988 Correspondence Field notes Bird watching Birds--Infancy 1988-08-03 N/A
Dennis Dahl letter to James J. Dinsmore regarding American White Pelican sightings, July 13 1988 Correspondence Field notes Bird watching Weather Birds--Feeding and feeds 1988-07-13 N/A
Neil Bernstein letter to James J. Dinsmore regarding aerial photographs, June 12, 1988 Correspondence Field notes Bird watching Birds--Research Ornithology--Societies, etc 1988-06-12 N/A
Opal Uher letter to James J. Dinsmore regarding a request to purchase a Peter C. Petersen publication, August 9, 1988 Correspondence Field notes Bird feeders Bird watching Birds--Nests Birds--Research Ornithology--Societies, etc Birds--Infancy 1988-08-09 N/A
James J. Dinsmore letter to Bruce G. Peterjohn with additional summer bird sightings, August 15, 1988 Correspondence Field notes Bird watching Birds--Nests Birds--Infancy 1988-08-15 N/A
William Praeger letter to Philip DuMont regarding bird collections in Keokuk, May 28, 1934 Correspondence Bird watching Birds--Geographical distribution Birds--Identification Hunting Zoological specimens 1934-05-28 N/A
List of birds, Fall 1933 to Spring 1934 Research notes Bird watching Birds--Geographical distribution Birds--Collection and preservation N/A 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