Title Genres Topics Date (Start) Date (End)
Gladys Black letter to Nicholas S. Halmi regarding the large population of Evening Grosbeak's, November 16, 1977 Correspondence Field notes Bird feeders Bird populations Bird watching Birds--Counting Birds--Food Birds--Research 1977-11-16 N/A
Gladys Black letter to Nicholas S. Halmi regarding Snowy Owl sightings and Iowa Ornithologists' Union membership, January 24, 1977 Correspondence Field notes Bird watchers Bird watching Ornithology--Societies, etc 1977-01-24 N/A
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
Gladys Black letter to Nicholas S. Halmi regarding sightings, February 14, 1977 Correspondence Field notes Bird populations Bird watching Birds--Counting Birds--Research 1977-02-14 N/A
Gladys Black letter to Nicholas S. Halmi regarding sightings of Snowy Owls and a Goshawk, February 25, 1977 Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1977-02-25 N/A
Gladys Black letter to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird watching Birds--Research Wildlife refuges 1976-11-23 N/A
Gladys Black letter to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird banding Bird watching Birds--Research 1976-10-25 N/A
Gladys Black letter to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird watching Birds--Migration Birds--Research 1977-01-17 N/A
Gladys Black letter to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology Trapping 1976-12-10 N/A
Gladys Black letter to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1976-12-01 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird watching, April 27, 1977 Correspondence Field notes Bird watching Birds--Nests Rare birds Predation (Biology) 1977-04-27 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird sightings, March 6, 1978 Correspondence Field notes Bird watching Birds--Research 1978-03-06 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird sightings, June 2, 1977 Correspondence Field notes Bird declines Bird populations Bird watching Birds--Eggs 1977-06-02 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
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
Gladys Black letter to Nicholas S. Halmi regarding bird sightings, February 22, 1978 Correspondence Field notes Maps (documents) Bird watching Birds--Research 1978-02-22 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird sightings, December 14, 1976 Correspondence Field notes Bird watching Birds--Behavior 1976-12-14 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
Gladys Black letter to Nicholas S. Halmi regarding bird sightings, April 17, 1978 Correspondence Field notes Bird watching Birds--Research 1978-04-17 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
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 sighting reports, March 18, 1977 Correspondence Field notes Bird watching Birds--Behavior Anseriformes | Ducks, Geese, and Swans Predation (Biology) 1977-03-18 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird sighting reports, June 8, 1977 Correspondence Field notes Bird watching Birds--Counting Charadriiformes | Shore-birds, Gulls, and Auks 1977-06-08 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird counts, February 23, 1977 Correspondence Field notes Bird watchers Bird watching Birds--Counting Women conservationists 1977-02-23 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird counts of Snowy Owl and Northern Shrike, February 28, 1977 Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1977-02-28 N/A