Title Genres Topics Date (Start) Date (End)
Peter C. Petersen letter to Nicholas S. Halmi regarding bird sightings and bird banding, November 29, 1977 Correspondence Field notes Bird banding Bird watching Birds--Counting Birds--Research Tyrannidae | Flycatchers Turdidae | Thrushes Vireonidae | Vireos Parulidae | Warblers 1977-11-29 N/A
Rich DeCoster letter to Thomas H. Kent regarding bird sightings, May 29, 1980 Correspondence Field notes Bird watching Birdsongs Birds--Research Ornithology--Methodology 1980-05-29 N/A
Richard Jule Hollis letter to Thomas H. Kent regarding bird sightings, June 1, 1980 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1980-06-01 N/A
Field notes contributed by Russell P. Baldner, fall 1981 Field notes Bird watching Birds--Research Ornithology--Methodology 1981-08-01 1981-11-30
Ruth Phipps 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
Ruth Phipps letter to Thomas H. Kent regarding bird sightings, August 3, 1980 Correspondence Field notes Bird watching Birds--Research 1980-08-03 N/A
Tanya Bray letter to Thomas H. Kent regarding bird sightings, June 2, 1980 Correspondence Field notes Bird watching Birds--Identification Birdsongs Birds--Research Ornithology--Methodology 1980-06-02 N/A
Field notes contributed by Thomas H. Kent, summer 1979 Field notes Bird watching Birds--Research 1979-06-01 1979-07-31
Summer 1979 Field notes by Thomas K. Shires Bird watching Birds--Research 1979-06-01 1979-08-01
Tim Gates letter to Thomas H. Kent regarding bird sightings, June 2, 1980 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1980-06-02 N/A
Tim Gates letter to Vernon M. Kleen regarding bird sightings, March 3, 1980 Correspondence Field notes Bird watching Birds--Research Anseriformes | Ducks, Geese, and Swans Accipitridae | Hawks and Eagles Ornithology--Methodology Bombycillidae | Waxwings 1980-03-03 N/A
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