Title Genres Topics Date (Start) Date (End)
Woodward H. Brown letter to Peter C. Petersen regarding winter migration, April 2, 1966 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1966-04-02 N/A
Woodward H. Brown field notes, winter 1979-1980 Field notes Reports Bird watching Birds--Food Birds--Research Accipitridae | Hawks and Eagles Ornithology--Methodology 1979-12-01 1980-02-28
Field notes, February 1, 1978 Field notes Bird watching Birds--Research 1978-02-01 N/A
Field reports, winter 1977-1978 Field notes Bird watching Birds--Research Laniidae | Shrikes 1978-02-12 N/A
Joe Kennedy letter to Peter C. Petersen regarding field notes, Fall 1963 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1963-08-01 1963-11-30
Tim C. Moermond letter to Peter C. Petersen regarding field notes, November 27, 1963 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1963-11-27 N/A
Field notes for Morse Lake, May 1963 Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology Parulidae | Warblers 1963-05-01 1963-05-31
Field notes, spring migration, 1963 Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1963-03-01 1963-05-31
Joe Kennedy letter to Peter C. Petersen regarding field notes for summer, 1963 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1963-06-01 1963-07-31
Field notes, winter 1963 Field notes Bird watching Birds--Research Ornithology--Methodology Weather 1963-02-01 1963-02-28
Joe Kennedy letter to Peter C. Petersen regarding field notes, winter 1963 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1963-03-01 1963-03-31
Pearl Knoop letter to Peter C. Petersen regarding field notes, winter 1963 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1963-04-08 N/A
Field notes contributed by Hank Zaletel, August 7, 1979 Field notes Bird declines Bird watching Birds--Counting Birds--Research 1979-08-07 N/A
Spring observations, 1978, Northwest Iowa Field notes Bird watching Birds--Research 1978-03-01 1978-05-31
Gladys Black letter to Nicholas S. Halmi regarding bird sightings, January 21, 1977 Correspondence Field notes Bird surveys Bird watching Birds--Identification Birds--Nests Birds--Research Turdidae | Thrushes 1977-01-21 N/A
Report, February to May 1978 Field notes Bird watching Birds--Research Phalacrocoracidae | Cormorants 1978-03-01 1978-05-31
Spring report Field notes Bird watching Birds--Research 1978-05-23 N/A
Winter birds which might be of interest, December 1, 1977 to February 9, 1978 Field notes Bird watching Birds--Research 1977-12-01 1978-02-28
Field notes contributed by Babs and Loren Padelford on Iowa birds sighted, May 24, 1984 Correspondence Field notes Bird watching Birds--Research 1984-05-24 N/A
Field notes contributed by Beth Proescholdt, December 1, 1981 Field notes Bird watching Birds--Identification Birds--Nests Birds--Research Ornithology--Methodology 1981-12-01 N/A
Bill Heusinkveld and Marjorie Heusinkveld letter to Thomas H. Kent regarding field notes, December 3, 1981 Correspondence Field notes Bird watching Birds--Research Accipitridae | Hawks and Eagles Ornithology--Methodology 1981-12-03 N/A
Field notes contributed by Conrad F. Schlemmer, fall 1981 Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology Fringillidae | Finches 1981-08-01 1981-11-30
Darwin Koenig letter to Thomas H. Kent regarding field notes, December 1, 1981 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1981-12-01 N/A
Field notes contributed by Dean Mosman, fall 1981 Field notes Bird watching Birds--Research Accipitridae | Hawks and Eagles Ornithology--Methodology 1981-08-01 1981-11-30
Field notes contributed by Dennis Henrickson, November 27, 1981 Field notes Bird watching Birds--Research Ornithology--Methodology 1981-11-27 N/A