Title Genres Topics Date (Start) Date (End)
David A. Newhouse letter to Thomas H. Kent regarding bird sightings, August 11, 1980 Correspondence Field notes Forms (documents) Bird populations Bird watching Birds--Counting Birds--Nests 1980-08-11 N/A
David A. Newhouse letter to Thomas H. Kent regarding bird sightings, May 27, 1980 Correspondence Field notes Bird banding Bird watching Birds--Migration Anseriformes | Ducks, Geese, and Swans Accipitridae | Hawks and Eagles Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Fringillidae | Finches Parulidae | Warblers 1980-05-27 N/A
David J. Conrads letter to Carl J. Bendorf regarding bird sightings, fall 1988 Correspondence Field notes Bird watching Birds--Identification Birdsongs Birds--Infancy 1988-08-01 1988-11-30
Dean Mosman letter to Nicholas S. Halmi regarding bird sightings, November 27, 1977 Correspondence Field notes Bird banding Bird watching Birds--Counting Birds--Identification 1977-11-27 N/A
Dean Mosman letter to Thomas H. Kent regarding bird sightings, February 22, 1980 Correspondence Field notes Bird watching Birds--Research Anseriformes | Ducks, Geese, and Swans Accipitridae | Hawks and Eagles Ornithology--Methodology 1980-02-22 N/A
Dean Mosman letter to Thomas H. Kent regarding bird sightings, July 29, 1980 Correspondence Field notes Bird populations Bird watching Birds--Nests Birdsongs Weather 1980-07-29 N/A
Dean Mosman letter to Thomas H. Kent regarding bird sightings, June 3, 1980 Correspondence Field notes Bird watching Birds--Counting Vireonidae | Vireos 1980-06-03 N/A
Dennis Dahl letter to James J. Dinsmore regarding American White Pelican sightings, July 13 1988 Correspondence Field notes Bird watching Weather Birds--Feeding and feeds 1988-07-13 N/A
Dennis L. Carter letter to James J. Dinsmore regarding a Pine Siskin sighting, August 3, 2004 Correspondence Field notes Bird feeders Bird watching Birds--Identification 2004-08-03 N/A
Dick Bierman letter to Nicholas S. Halmi regarding bird sightings, November 29, 1977 Correspondence Field notes Bird watching Birdsongs Birds--Infancy 1977-11-29 N/A
Dick Bierman letter to Thomas H. Kent regarding Swainson's Hawk sightings, April 20, 1992 Correspondence Field notes Bird watching Birds--Food Weather 1992-04-20 N/A
Dick Bierman letter to Thomas H. Kent regarding bird sightings in northwest, Iowa, February 5, 1980 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1979-12-01 1980-02-28
Dixie Kanago letter to Robert K. Myers regarding Common Redpoll and Red Crossbill sightings, May 2, 1988 Correspondence Field notes Bird feeders Bird watching 1988-05-02 N/A
Dorothy A. Brunner letter to Thomas H. Kent regarding bird sightings, February 21, 1980 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1980-02-21 N/A
Dorothy A. Brunner letter to Thomas H. Kent regarding bird sightings, May 28, 1980 Correspondence Field notes Bird watching Birds--Nests Birds--Research Accipitridae | Hawks and Eagles Ornithology--Methodology Hirundinidae | Swallows Turdidae | Thrushes Vireonidae | Vireos Parulidae | Warblers 1980-05-28 N/A
Doug Reeves letter to Robert K. Myers regarding an unusual bird sighting, May 19, 1987 Correspondence Field notes Bird watching Birds--Identification 1987-05-19 N/A
Doug Reeves letter to Robert K. Myers regarding a special sighting report, May 11, 1987 Correspondence Field notes Bird watching Birds--Identification Birds--Nests Birdsongs Birds--Research 1987-05-11 N/A
Field notes and Douglas C. Harr letter to James J. Dinsmore regarding bird sightings, July 25, 1985 Correspondence Field notes Bird watching Weather Birds--Infancy 1985-07-25 N/A
Douglas C. Harr letter to Thomas H. Kent regarding bird sightings, February 27, 1980 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1980-02-27 N/A
Douglas C. Harr letter to Thomas H. Kent regarding bird sightings, May 27, 1980 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1980-05-27 N/A
Douglas C. Harr letter to Thomas H. Kent regarding bird sightings, November 30, 1979 Correspondence Field notes Bird watching Birds--Migration Anseriformes | Ducks, Geese, and Swans 1979-11-30 N/A
Douglas E. Trapp letter to James J. Dinsmore regarding two owl species sightings, August 1, 1988 Correspondence Field notes Bird watching Birdsongs 1988-08-01 N/A
Douglas E. Trapp letter to Robert K. Myers regarding a bird sighting, April 13, 1987 Correspondence Field notes Bird watching 1987-04-13 N/A
Douglas E. Trapp letter to Robert K. Myers regarding bird sightings, June 2, 1988 Correspondence Field notes Bird watching Birds--Research 1988-06-02 N/A
Edwin G. Crocker letter to Gladys Black and Peter C. Petersen regarding a bird sighting, June 19, 1980 Correspondence Field notes Bird watching Birds--Feeding and feeds 1980-06-19 N/A