Title Genres Topics Date (Start) Date (End)
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
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
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
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
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 Peter C. Petersen regarding bird sightings, June 23, 1977 Correspondence Field notes Bird banding Bird watching Birds--Research 1977-06-23 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
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
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
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
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
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
Dean Mosman letter to Nicholas S. Halmi regarding winter bird sightings, February 10, 1979 Correspondence Field notes Bird banding Bird feeders Bird watching Birds--Research Fringillidae | Finches Weather 1979-02-10 N/A
Dean Mosman letter to Nicholas S. Halmi regarding bird sightings, June 1, 1978 Correspondence Field notes Bird watching Birds--Migration Birds--Research 1978-06-01 N/A
Dean Mosman letter to Nicholas S. Halmi regarding bird sightings, Febuary 11, 1978 Correspondence Field notes Bird banding Bird feeders Bird watching Birds--Research 1978-02-11 N/A
Dean Mosman letter to Vernon Kleen regarding hawks, April 8, 1976 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1976-04-08 N/A
Dean F. Stauffer letter to Nicholas S. Halmi regarding bird sightings, July 27, 1977 Correspondence Field notes Bird watching Birds--Research 1977-07-27 N/A
David Ewert letter to Thomas H. Kent regarding a Cerulean Warbler sighting, May 23, 1983 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1983-05-23 N/A
David A. Newhouse letter to Thomas H. Kent regarding summer bird sightings, July 25, 1981 Correspondence Field notes Bird watching Birds--Nests Birds--Research Ornithology--Methodology Phasianidae | Pheasants, Turkeys, and Grouse Water birds Weather 1981-07-25 N/A
Darwin Koenig letter to Thomas H. Kent regarding winter bird sightings, March 4, 1983 Correspondence Field notes Bird watching Birds--Counting Birds--Research 1983-03-04 N/A
Darwin Koenig letter to Thomas H. Kent regarding summer bird sightings, July 31, 1981 Correspondence Field notes Bird watching Birds--Counting Birds--Nests Birds--Research Ornithology--Methodology 1981-07-31 N/A
Darwin Koenig letter to Nicholas S. Halmi regarding bird sightings Correspondence Field notes Bird watching Birds--Research 1977-12-01 1978-02-28
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
Clarence Cottam letter to Walter Rosene regarding the analysis and contents of Long-eared Owl pellets, May 28, 1936 Correspondence Reports Birds--Research Ornithology--Methodology Bird droppings 1936-05-28 N/A
Charlotte Scott letter to Thomas H. Kent regarding summer bird sightings, July 30, 1981 Correspondence Field notes Bird watching Birds--Nests Birds--Research Ornithology--Methodology 1981-07-30 N/A