Title Genres Topics Date (Start) Date (End)
Field notes and Darwin Koenig letter to James J. Dinsmore, August 1, 1996 Correspondence Field notes Bird feeders Bird watching Birds--Eggs Birds--Nests Birds--Infancy 1996-08-01 N/A
Field notes and Bery Engebretsen letter to James J. Dinsmore, July 30, 1988 Correspondence Field notes Bird watching Birds--Nests Birdsongs Scolopacidae | Sandpipers, Phalaropes, and allies Parulidae | Warblers Weather Birds--Infancy 1988-07-30 N/A
Field notes and Bery Engebretsen letter to James J. Dinsmore regarding bird sightings, August 3, 1985 Correspondence Field notes Bird watching Birds--Nests Birdsongs Birds--Infancy 1985-08-03 N/A
Field notes and Barbara L. Wilson letter to James J. Dinsmore, July 28, 1985 Correspondence Field notes Bird watching Birds--Nests Weather Birds--Infancy 1985-07-28 N/A
Field notes and Barbara L. Wilson letter to Carl J. Bendorf, November 28, 1988 Correspondence Field notes Bird feeders Bird watching Birdsongs Weather Birds--Infancy 1988-11-28 N/A
Field notes and Babs Padelford letter to Thomas H. Kent, November 30, 1986 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Birds--Infancy Emberizidae | Sparrows 1986-11-30 N/A
Field notes and Ann Johnson letter to the editor, fall 1991 Correspondence Field notes Bird watching Birdsongs Laridae | Gulls and Terns Charadriidae | Plovers Scolopacidae | Sandpipers, Phalaropes, and allies Parulidae | Warblers Weather Birds--Infancy Emberizidae | Sparrows 1991-08-01 1991-11-30
Field notes about active Bald Eagle nests contributed by Bruce Ehresman, summer 1992 Correspondence Field notes Charts (graphic documents) Bird watching Birds--Counting Birds--Nests Birds--Infancy 1992-06-01 1992-07-31
Erik Munson letter to Robert K. Myers regarding bird sightings, spring 1988 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Birds--Nests Birds--Infancy 1988-03-01 1988-05-31
Doug Reeves letter and photograph to W. Ross Silcock regarding Breeding Bird Atlas special documentation forms and a Barn Owl nest, February 12, 1987 Correspondence Field notes Photographs Bird watching Birds--Nests Ornithology--Methodology Birds--Infancy 1987-02-12 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
Donald Gillaspey letter to Thomas Kent regarding bird sightings, fall 1994 Correspondence Field notes Bird watching Birds--Behavior Birds--Identification Birds--Nests Birdsongs Birds--Infancy 1994-08-01 1994-11-30
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
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
Dean Dalziel letter to Richard Bishop regarding unusual bird sighting, July 7, 1980 Correspondence Field notes Bird watching Birds--Infancy 1980-07-07 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
Darwin Koenig letter to James J. Dinsmore regarding summer bird sightings, August 3, 1989 Correspondence Field notes Bird watching Birds--Counting Birds--Nests Birds--Infancy 1989-08-03 N/A
Darwin Koenig letter to James J. Dinsmore regarding summer bird sightings, August 3, 1987 Correspondence Field notes Bird watching Birds--Nests Tyrannidae | Flycatchers Birds--Infancy 1987-08-03 N/A
Darwin Koenig letter to James J. Dinsmore regarding bird sightings, summer 2004 Correspondence Field notes Bird watching Birds--Counting Birds--Nests Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Parulidae | Warblers Birds--Infancy 2004-06-01 2004-07-31
Darwin Koenig letter to James J. Dinsmore regarding bird sightings, July 30, 1985 Correspondence Field notes Bird watching Birds--Nests Parulidae | Warblers Birds--Infancy 1985-07-30 N/A
Darwin Koenig letter to James J. Dinsmore regarding bird sightings, August 1, 1988 Correspondence Field notes Bird watching Birds--Nests Birdsongs Birds--Infancy Birds--Feeding and feeds 1988-08-01 N/A
Darwin Koenig email to Jim Dinsmore regarding summer field report, August 4, 1998 Correspondence Field notes Bird watching Birds--Nests Birds--Infancy 1998-08-04 N/A
Dan Dorrance letter to Jim Dinsmore regarding Red-necked Grebe sighting, August 17, 1994 Correspondence Field notes Bird watching Birds--Identification Birds--Infancy 1994-06-01 1994-07-31
Dale Stone letter to James J. Dinsmore regarding Upland Sandpiper sightings, August 3, 1988 Correspondence Field notes Bird watching Birds--Infancy 1988-08-03 N/A
Clarice Watson letter to Vernon M. Kleen regarding bird sightings, July 12, 1980 Correspondence Field notes Bird watching Birds--Counting Birds--Nests Birdsongs Birds--Infancy Birds--Feeding and feeds 1980-07-12 N/A