Title Genres Topics Date (Start) Date (End)
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 Barbara L. Wilson letter to Carl J. Bendorf, fall 1986 Correspondence Field notes Bird watching Birds--Counting Birds--Identification 1986-08-01 1986-11-30
Field notes and Barbara L. Wilson letter to Thomas H. Kent, November 10, 1991 Correspondence Field notes Bird kills Bird watching Birds--Food Weather 1991-11-10 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 Bill Norris email to James J. Dinsmore, September 13, 1996 Correspondence Field notes Bird watching Birds--Nests Birdsongs Parulidae | Warblers 1996-09-13 N/A
Field notes and Bob Livermore letter to Carl J. Bendorf, fall 1988 Correspondence Field notes Forms (documents) Bird watching Birds--Behavior Birdsongs Birds--Feeding and feeds 1988-08-01 1988-11-30
Field notes contributed by Carol A. Alexander, winter 1992-1993 Correspondence Field notes Birds--Behavior Birds--Identification Rare birds Weather 1992-12-01 1993-02-28
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 David L. Dankert letter to Thomas H. Kent, fall 1996 Correspondence Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Birdsongs Birds--Infancy 1996-08-01 1996-11-30
Field notes contributed by Dennis L. Carter, July 31, 2004 Correspondence Field notes Bird watching Birdsongs Anseriformes | Ducks, Geese, and Swans Nest building Weather Birds--Infancy 2004-07-31 N/A
Field notes and Gordon James Brand letter to "Editor", November 24, 1991 Correspondence Field notes Bird watching Birds--Counting Birds--Identification 1991-11-24 N/A
Field notes and Hank Zaletel letter to Thomas H. Kent. spring 1997 Correspondence Field notes Bird watching Birds--Counting Birds--Identification 1997-03-01 1997-05-31
Field notes and postcard from Hank Zaletel to James J. Dinsmore regarding bird sightings, July 29, 1991 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Birds--Nests Scolopacidae | Sandpipers, Phalaropes, and allies 1991-07-29 N/A
Field notes and James J. Dinsmore letter to Thomas H. Kent, December 5, 1991 Correspondence Field notes Bird feeders Bird watching Birds--Identification Birds--Research Birds--Infancy 1991-12-05 N/A
Field notes and John Van Dyk letter to James J. Dinsmore, summer 1996 Correspondence Field notes Bird declines Bird watching Birds--Migration Birdsongs Weather Birds--Infancy Birds--Feeding and feeds 1996-06-01 1996-07-31
Field notes and Jon Van Dyk letter to James J. Dinsmore, August 14, 1995 Correspondence Field notes Bird watching Birdsongs Birds--Infancy 1995-08-14 N/A
Field notes and Lee A. Schoenewe letter to Thomas H. Kent, fall 1995 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Birdsongs Anseriformes | Ducks, Geese, and Swans Parulidae | Warblers Birds--Infancy 1995-08-01 1995-11-30
Field reports form for submitting seasonal observations of Iowa birds, Mark Proescholdt, November 25, 1991 Correspondence Field notes Forms (documents) Bird watching Birds--Identification Podicipediformes | Grebes Accipitridae | Hawks and Eagles Scolopacidae | Sandpipers, Phalaropes, and allies Vireonidae | Vireos Parulidae | Warblers Birds--Infancy Birds--Feeding and feeds Emberizidae | Sparrows 1991-11-25 N/A
Field notes and Pam Allen letter Thomas H. Kent, December 6, 1996 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Parulidae | Warblers Birds--Infancy 1996-12-06 N/A
Field notes and Pam Allen and Reid I. Allen letter to Thomas H. Kent, December 2, 1991 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Birds--Research Birds--Infancy 1991-12-02 N/A
Field notes and Pam Allen and Reid I. Allen letter to Carl J. Bendorf, December 1, 1988 Correspondence Field notes Bird watching Birds--Identification 1988-12-01 N/A
Field notes and Paul Hertzel letter to Thomas H. Kent, June 3, 1992 Correspondence Field notes Bird watching Birds--Eggs Birds--Nests Nest building 1992-06-03 N/A
Field notes and Peter C. Petersen letter to James J. Dinsmore, July 28, 1986 Correspondence Field notes Bird feeders Bird watching Birds--Counting Birds--Food Birds--Identification Birds--Nests Birds--Infancy 1986-07-28 N/A
Field notes and Peter Ernzen letter to Thomas H. Kent, fall 1991 Correspondence Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Birdsongs Parulidae | Warblers Birds--Infancy Emberizidae | Sparrows 1991-08-01 1991-11-30