Title Genres Topics Date (Start) Date (End)
Gladys Black letter to Nicholas S. Halmi regarding bird sightings, January 21, 1977 Correspondence Field notes Bird surveys Bird watching Birds--Identification Birds--Nests Birds--Research Turdidae | Thrushes 1977-01-21 N/A
Field notes for American birds, summer 1972 Field notes Bird banding Bird watching Birds--Research Rare birds 1972-08-22 N/A
W. Ross Silcock letter to Nicholas S. Halmi regarding highlights of the Christmas bird count, January 30, 1977 Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology Fringillidae | Finches N/A N/A
Gladys Black letter to Nicholas S. Halmi regarding bird sightings, January 8, 1977 Correspondence Field notes Bird watching Birds--Behavior Birds--Research Wit and humor Birds--Feeding and feeds 1977-01-18 N/A
Winter Raptor survey, 1977 Field notes Maps (documents) Reports Bird surveys Bird watching Birds of prey Birds--Research Ornithology--Methodology 1977-12-01 1977-12-31
Gladys Black letter to Nicholas S. Halmi regarding Snowy Owl count, February 1, 1977 Correspondence Field notes Bird populations Bird watching Birds--Counting Birds--Research 1977-02-01 N/A
Field reports, summer 1977 Field notes Bird watching Birds--Research 1977-06-01 1977-07-31
Field records, May 31 to August 7, 1977 Field notes Bird watching Birds--Research 1977-05-31 1977-08-07
Darwin Koenig letter to Nicholas S. Halmi regarding bird sightings, August 2, 1977 Correspondence Field notes Bird watching Birds--Research 1977-08-02 N/A
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
Joan K. Fowler letter to Peter C. Petersen regarding bird sightings, June 28, 1977 Correspondence Field notes Bird watching Birds--Research 1977-06-28 N/A
Field report Field notes Bird watching Birds--Research 1977-06-01 1977-07-31
American Birds and Iowa Bird Life report, July 31, 1977 Field notes Bird watching Birds--Research 1977-07-31 N/A
Field reports, summer 1977 Field notes Bird watching Birds--Research 1977-06-01 1977-07-31
Field report, summer, June 1 through July 31, 1977 Field notes Bird watching Birds--Habitat Birds--Research Weather 1977-06-01 1977-07-31
Iowa Ornithologists' Union, Quarterly field report, spring 1977 Field notes Bird watching Birds--Research Ornithology--Methodology 1977-03-01 1977-05-31
Summer bird report, 1977 Field notes Bird watching Birds--Research 1977-06-01 1977-07-31
James C. Bednarz letter to Nicholas S. Halmi, regarding bird sightings, July 15, 1977 Correspondence Field notes Bird watching Birds--Research 1977-07-15 N/A
Bird sightings checklist, summer 1977 Checklists Field notes Bird watching Birds--Research 1977-06-01 1977-07-31
Iowa Ornithologists' Union field check list, Betty Walters, summer 1977 Checklists Field notes Bird watching Birds--Research 1977-06-01 1977-07-31
Iowa Ornithologists' Union, Quarterly field report, summer 1977 Field notes Bird watching Birds--Research 1977-06-01 1977-07-31
Iowa map with Snowy Owl sightings, 1976-1977 Field notes Maps (documents) Bird populations Bird watching Birds--Counting Birds--Research 1977-01-01 1977-12-31
Gladys Black letter to Nicholas S. Halmi regarding bird sighting reports, March 24, 1977 Correspondence Field notes Bird watching Birds--Research Anseriformes | Ducks, Geese, and Swans Ornithology--Methodology 1977-03-24 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird sightings, April 5, 1977 Correspondence Field notes Bird watching Birds--Research Hunting--Moral and ethical aspects 1977-04-05 N/A
Bird sightings checklist, spring 1977 Checklists Field notes Bird watching Birds--Research Ornithology--Methodology 1977-03-01 1977-05-31