Title Genres Topics Date (Start) Date (End)
Dean Mosman letter to Thomas H. Kent regarding summer bird sightings, July 29, 1981 Correspondence Field notes Bird declines Bird populations Bird watching Birds--Nests Birds--Research Ornithology--Methodology 1981-07-29 N/A
Letter from Dean Mosman to Vernon Kleen containing bird sighting notes, June 14, 1976 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1976-06-14 N/A
Dick Bierman letter to Nicholas S. Halmi regarding bird sightings, February 11, 1978 Correspondence Field notes Bird watching Birds--Research 1978-02-11 N/A
Dick Bierman letter to Nicholas S. Halmi regarding winter bird sightings, February 6, 1979 Correspondence Field notes Bird watching Birds--Research Columbiformes | Doves and Pigeons Accipitridae | Hawks and Eagles Phasianidae | Pheasants, Turkeys, and Grouse 1979-02-06 N/A
Dorothy A. Brunner letter to Nicholas S. Halmi regarding bird sightings, February 13, 1978 Correspondence Field notes Bird watching Birds--Research 1978-02-13 N/A
Dorothy Parker letter to Thomas H. Kent regarding rare bird sighting of a White-Winged Crossbill, August 6, 1979 Correspondence Bird watchers Bird watching Birds--Identification Birds--Research Rare birds Country life 1979-08-06 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
Douglas C. Harr letter to Peter C. Petersen regarding bird sightings, May 19, 1978 Correspondence Field notes Bird watching Birds--Research Parulidae | Warblers Water birds 1978-05-19 N/A
Douglas C. Harr letter to Thomas H. Kent regarding summer bird sightings, July 23, 1981 Correspondence Field notes Bird watching Birds--Nests Birds--Research Ornithology--Methodology 1981-07-31 N/A
Dwight N. Blumer letter to Thomas H. Kent regarding winter bird sightings, January 30, 1983 Correspondence Field notes Bird watching Birds--Migration Birds--Research Country life 1983-01-30 N/A
Edward William Nelson letter to the bird migration observers of the Biological Survey regarding a change in reporting bird observations, March 2, 1925 Correspondence Instructions (document genre) Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1925-03-02 N/A
Fred Lesher letter to Thomas H. Kent regarding a raptor survey and winter bird sightings, February 6, 1983 Correspondence Field notes Bird surveys Bird watching Birds--Research Ornithology--Methodology 1983-02-06 N/A
Gladys Black letter and report to Vernon M. Kleen regarding winter Red Rock Lake area bird sightings, March 6, 1974 Correspondence Field notes Bird populations Bird watching Birds--Nests Birds--Research 1974-03-06 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 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 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 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, 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, March 6, 1978 Correspondence Field notes Bird watching Birds--Research 1978-03-06 N/A
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
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
Hank Zaletel letter to Nicholas S. Halmi regarding bird sightings, April 15, 1978 Correspondence Field notes Bird watching Birds--Research 1978-04-15 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
Howard Graesing letter to Ruth Buckles regarding bird sightings, April 4, 1978 Correspondence Field notes Bird watching Birds--Research Weather 1978-04-04 N/A