Title Genres Topics Date (Start) Date (End)
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 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--Migration Birds--Research 1977-01-17 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 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 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 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 winter bird sightings, February 9, 1979 Correspondence Field notes Bird watching Birds--Research 1979-02-09 N/A
Gladys Black letter to Peter C. Petersen regarding bird sightings, February 28, 1978 Correspondence Field notes Bird feeders Bird watching Birds--Research 1978-02-28 N/A
Gladys Black letter to Thomas H. Kent regarding bird sightings, March 17, 1980 Correspondence Field notes Bird watching Birds--Identification Birds--Research Ornithology--Methodology 1980-03-17 N/A
Gladys Black letter to Vernon Kleen regarding Evening Grosbeak invasion, January 24, 1976 Correspondence Field notes Bird populations Bird watching Birds--Research Ornithology--Methodology 1976-01-24 N/A
Gladys Black letter to Vernon Kleen regarding Evening Grosbeak invasion, March 24, 1976 Correspondence Field notes Bird populations Bird watching Birds--Research Ornithology--Methodology 1976-03-24 N/A
Gladys Black letter to Vernon Kleen regarding Red Rock Refuge and the Evening Grosbeak invasion, February 1976 Correspondence Field notes Maps (documents) Bird populations Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1976-02-01 1976-02-29
Gladys Black letter to Vernon M. Kleen regarding bird sightings, January 10, 1977 Correspondence Field notes Maps (documents) Bird declines Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1977-01-10 N/A
Gladys Black letter to Vernon M. Kleen regarding birds sighted during breeding season 1975, August 5, 1975 Correspondence Field notes Bird watching Birds--Nests Birds--Research Ornithology--Methodology Radio and television tower bird strikes 1975-08-05 N/A
Gladys Black letter to Vernon M. Kleen regarding her sighting of Clark's Nutcracker, March 5, 1973 Correspondence Bird watching Birds--Research Ornithology--Methodology 1973-03-05 N/A
Gladys Black letter to Vernon M. Kleen regarding Snowy Owl counts, March 5, 1977 Correspondence Field notes Maps (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1977-03-05 N/A
Gladys Black letter, field notes and map to Vernon M. Kleen regarding fall migration, 1975, Red Rock Lake and Refuge, December 10, 1975 Correspondence Field notes Maps (documents) Bird populations Bird watching Birds--Migration Birds--Research Habitat (Ecology) Ornithology--Methodology Power-plants 1975-12-10 N/A
Gladys Black letters to Nicholas S. Halmi regarding bird sightings, March 14 and 21, 1978 Correspondence Field notes Bird watching Birds--Research 1978-03-14 1978-03-21
Gladys Black's notes on Red Rock Lake and Refuge and Pleasantville winter bird sightings Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology N/A N/A
Glenn E. Jones letter to David A. Newhouse regarding bird sightings, May 1, 1980 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1980-05-01 N/A
Goldfinch beakon, April/May 1998 Serials (publications) Bird watching Birds--Research Ornithology--Methodology Ornithology--Societies, etc 1998-04-01 1998-05-31
Great Horned Owl nesting study and research notes Reports Research notes Essays Bird banding Birds--Eggs Birds--Food Birds--Nests Birds--Research Ornithology--Methodology Birds--Infancy Eggs--Incubation 1933-02-26 1939-12-31
Habitat selection by Dickcissels survey Instructions (document genre) Questionnaires Bird populations Bird surveys Birds--Counting Birds--Habitat Birds--Research Ornithology--Methodology N/A N/A
Hank Zaletel letter to Nicholas S. Halmi regarding bird sightings, March 18, 1978 Correspondence Field notes Bird watching Birds--Research 1978-03-18 N/A