Title Genres Topics Date (Start) Date (End)
Daily field checking list by Walter Rosene, September 25, 1938 Checklists Field notes Bird watching 1938-09-25 N/A
Daily field checking list by Walter Rosene, September 26, 1937 Checklists Field notes Bird watching 1937-09-26 N/A
Daily field checking list by Walter Rosene, September 4, 1938 Checklists Field notes Bird watching 1938-09-04 N/A
Daily field checking list by Walter Rosene, March 22, 1936 Checklists Field notes Bird watching 1936-03-22 N/A
Daily field checking list by Walter Rosene, May 9, 1936 Checklists Field notes Bird watching Laridae | Gulls and Terns Scolopacidae | Sandpipers, Phalaropes, and allies Hirundinidae | Swallows Vireonidae | Vireos Parulidae | Warblers Emberizidae | Sparrows 1936-05-09 N/A
Daily field checking list by Walter Rosene, March 27, 1936 Checklists Field notes Bird watching 1936-03-27 N/A
Darwin Koenig letter to James J. Dinsmore regarding birds sighted in summer 1984, July 30, 1984 Correspondence Field notes Bird watching Birds--Nests 1984-07-30 N/A
Darwin Koenig letter to Thomas H. Kent regarding winter birds sighted, February 24, 1984 Correspondence Field notes Bird watching 1984-02-24 N/A
Darwin Koenig letter to Woodward H. Brown regarding birds sighted, fall 1971 Correspondence Bird watching 1971-08-01 1971-11-30
Darwin Koenig letter to Thomas Kent regarding bird sightings, December 3, 1980 Correspondence Field notes Bird watching 1980-12-03 N/A
David A. Newhouse letter to Thomas Kent regarding Fall birds sighted, November 24, 1980 Correspondence Field notes Bird banding Bird watching Scolopacidae | Sandpipers, Phalaropes, and allies 1980-11-24 N/A
Report form, Greater White-fronted Goose, June 3, 1998, David Easterla Field notes Forms (documents) Bird watching Birds--Identification Rare birds 1998-06-03 N/A
Dean Dalziel letter to Richard Bishop regarding unusual bird sighting, July 7, 1980 Correspondence Field notes Bird watching Birds--Infancy 1980-07-07 N/A
Dean Mosman letter to Vernon M. Kleen regarding bird kills at the Alleman TV tower and hawk population, November 20, 1975 Correspondence Field notes Bird watching Birds of prey Birds--Migration Birds--Research Accipitridae | Hawks and Eagles Radio and television tower bird strikes 1975-11-20 N/A
Bird sighting list from Dennis Henrickson, February 6, 1981 Field notes Bird watching 1981-02-06 N/A
Dennis Henrickson letter to Thomas Kent regarding Bonaparte's Gull sightings, December 8, 1980 Correspondence Field notes Bird watching Birds--Identification Country life 1980-12-08 N/A
Field reports, Tim Schantz, summer 1990 Field notes Bird watching Birds--Identification Rare birds Weather 1990-07-17 1990-07-18
Field reports, James Dinsmore, fall 1990 Field notes Bird watching Birds--Identification Threskiornithidae | Ibises 1990-08-01 1990-11-30
Field reports, Alan G. Grenon, fall 1989 Field notes Bird watching Birds--Identification 1989-08-01 1989-11-30
Barb Wilson letter to Jim Dinsmore regarding bird sightings for IOU quarterly field reports, summer 1990 Correspondence Field notes Bird watching Birds--Identification Accipitridae | Hawks and Eagles Mimidae | Mockingbirds, Catbirds, Thrashers, and Tremblers Rare birds Weather 1990-06-01 1990-07-31
Letter from Janet Greer to Vernon M. Kleen reporting a Snowy Egret, May 22, 1974. Correspondence Field notes Bird populations Bird watching Birds--Behavior 1974-03-01 1974-05-31
Report on Merlin sighting submitted by Joseph P. Schaufenbuel, December 11980 Field notes Bird watching Birds--Identification 1980-12-01 1981-02-28
Addendum to the Cedar Falls, IA Christmas bird count, December 27, 1980 Field notes Bird watching Birds--Counting 1980-12-27 N/A
Birds: verifying documentation of an extraordinary sight record, Dick Bierman, October 3, 1980 Field notes Forms (documents) Bird watching Birds--Identification Rare birds 1980-10-03 N/A
Dick Bierman letter to Thomas Kent regarding fall field report for 1980, December 3, 1980 Correspondence Field notes Bird watching Birds--Migration 1980-12-03 N/A