Title Genres Topics Date (Start) Date (End)
Douglas C. Harr letter to Nicholas S. Halmi regarding spring bird sightings, May 23, 1979 Correspondence Field notes Bird watching 1979-05-23 N/A
Douglas C. Harr letter to Nicholas S. Halmi regarding additional spring bird sightings, May 29, 1979 Correspondence Field notes Bird watching 1979-05-29 N/A
Doug Harr letter to Jim Dinsmore regarding IOU observations, July 31, 1998 Correspondence Field notes Bird watching Birds--Nests Birds--Infancy Predatory animals Families 1998-07-31 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 Parker's letter regarding bird sighting, July 24, 1979 Correspondence Field notes Bird watching 1979-07-24 N/A
Dorothy Franek letter to Peter C. Peterson regarding her first winter bird population study, March 10, 1969 Correspondence Bird watching Birds--Identification Ornithology--Methodology Weather 1969-01-01 1969-03-31
Dorothy Franek letter to Peter C. Petersen regarding bird sightings records, January 18, 1969 Correspondence Bird watching 1969-01-18 N/A
Dorothy Franek letter to Frances Braley regarding her activities with birds, January 17, 1969 Correspondence Maps (documents) Bird banding Bird watching Birds--Habitat Birds--Identification 1969-01-17 N/A
Dorothy Clayton Pohl letter regarding house finch sightings, July 23, 1986 Correspondence Field notes Bird watching Birdhouses 1986-07-23 N/A
Dorothy Aldrich letter to James J. Dinsmore regarding White-winged Crossbill and Sandhill Crane sightings, April 17, 1996 Correspondence Field notes Bird feeders Bird watching Birds--Identification 1996-04-17 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
Donald J. Gillaspey letter to Nicholas S. Halmi regarding bird sightings, December 1, 1978 Correspondence Field notes Bird populations Bird watching Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks 1978-12-01 N/A
Dick Bierman letter to Thomas H. Kent regarding bird sightings, November 28, 1979 Correspondence Field notes Bird watching 1979-11-28 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 spring bird sightings, May 28, 1979 Correspondence Field notes Reports Bird watching Birds--Migration Birds--Nests Anseriformes | Ducks, Geese, and Swans Gaviiformes | Loons Rare birds Parulidae | Warblers 1979-05-28 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
Dennis L. Carter letter to James J. Dinsmore regarding summer bird sightings, August 1, 2005 Correspondence Field notes Bird watching Birds--Counting Birds--Infancy 5005-08-01 N/A
Dennis E. Goemaat letter to Thomas H. Kent regarding Prothonotary Warbler sightings, August 19, 1987 Correspondence Field notes Bird watching Rare birds 1987-08-19 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 spring bird sightings, June 5, 1979 Correspondence Field notes Bird banding Bird watching 1979-06-05 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