Title Genres Topics Date (Start) Date (End)
Ronald Harms letter to James J. Dinsmore regarding bird sightings, June 26, 1986 Correspondence Field notes Bird watching Birds--Infancy 1986-06-26 N/A
Ron Muilenburg letter to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird watching Anseriformes | Ducks, Geese, and Swans Fringillidae | Finches Galliformes | Quails, Pheasants, Turkeys, and Grouse 1976-08-24 N/A
Ron Muilenburg letter to Nicholas S. Halmi regarding bird sightings, June 8, 1977 Correspondence Field notes Bird populations Bird watching Birds--Migration 1977-06-08 N/A
Ron Andrews letter to James J. Dinsmore regarding the identification of a Rufous Hummingbird, fall 1987 Correspondence Bird feeders Bird watching Birds--Identification Rare birds Apodiformes | Swifts and Hummingbirds 1987-08-01 1987-11-30
Rod Schmidt letter to Thomas H. Kent regarding Kossuth County bird sightings, spring 1984 Correspondence Field notes Bird watching Birds--Counting 1984-03-01 1984-05-31
Robert W. Nero letter to Gladys Black regarding Snowy Owl migration, February 21, 1977 Correspondence Field notes Bird watching Birds--Food Birds--Migration Weather 1977-02-21 N/A
Robert W. Howe letter to James J. Dinsmore regarding a report of a Henslow's Sparrow, November 1, 1982 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1982-11-01 N/A
Robert Schwartz letter to Steve Dinsmore regarding Spring 1993 Sandhill Crane sighting, July 12, 1994 Correspondence Field notes Bird watching 1994-07-12 N/A
Robert L. Nelson letter to Peter C. Petersen regarding spring migration, June 14, 1963 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1963-06-14 N/A
Robert K. Myers letter to Thomas H. Kent regarding bird sightings, December 11, 1979 Correspondence Field notes Bird watching 1979-12-11 N/A
Robert K. Myers letter to Nicholas S. Halmi regarding spring bird sightings, May 26, 1979 Correspondence Field notes Bird watching Parulidae | Warblers 1979-05-26 N/A
Robert Jessen letter to Vernon M. Kleen regarding spring birds sighted near Oskaloosa, June 2, 1975 Correspondence Field notes Bird banding Bird watching Birds--Research Ornithology--Methodology 1975-06-02 N/A
Robert Jessen letter to Vernon M. Kleen regarding birds sighted in Mahaska County during winter, April 2, 1974 Correspondence Field notes Bird banding Bird watching Birds--Counting Birds--Nests 1974-04-02 N/A
Robert Jessen letter and checklist to Vernon M. Kleen regarding winter birds sighted in Mahaska County, April 2, 1975 Checklists Correspondence Field notes Bird watching Birds--Identification Birds--Research Ornithology--Methodology 1975-04-02 N/A
Robert Jessen letter and checklist to Vernon M. Kleen regarding birds sighted during 1974 fall migration, December 1, 1974 Checklists Correspondence Bird watching Birds--Identification Birds--Migration Birds--Research Ornithology--Methodology 1974-08-01 1974-11-30
Robert I. Cecil letter to Thomas H. Kent regarding bird sightings, Keokuk, Iowa, spring 1984 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1984-03-01 1984-05-31
Robert I. Cecil letter to Thomas H. Kent regarding accompanying field notes, May 24, 1985 Correspondence Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Birds--Migration Weather 1985-05-24 N/A
Robert I. Cecil letter to Jim Dinsmore regarding field note, June 29, 1985 Correspondence Field notes Forms (documents) Bird watching Birds--Counting Birds--Habitat Birds--Identification Birds--Nests Tyrannidae | Flycatchers Laridae | Gulls and Terns Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Vireonidae | Vireos Parulidae | Warblers Birds--Feeding and feeds 1985-06-29 N/A
Robert I. Cecil letter to James J. Dinsmore regarding the sighting of a Canada Warbler, summer 1987 Correspondence Field notes Bird watching Birds--Identification 1987-06-01 1987-07-31
Robert I. Cecil letter to James J. Dinsmore regarding bird sightings, summer 2001 Correspondence Field notes Bird watching 2001-06-01 2001-07-31
Robert I. Cecil letter to James J. Dinsmore regarding bird sightings July 31, 1986 Checklists Correspondence Field notes Bird watching Birds--Counting Birdsongs 1986-07-31 N/A
Robert Gruenewald letter to Thomas Kent regarding bird sightings, June 8, 1998 Correspondence Field notes Bird watching Birds--Identification Birds--Nests Photography of birds 1998-06-08 N/A
Robert Gruenewald letter to Thomas H. Kent regarding details on fall bird sightings, December 7, 1998 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Birdsongs 1998-12-07 N/A
Robert E. Thornburg letter to Thomas H. Kent regarding a bird identification, November 5,1979 Correspondence Bird watching Birds--Identification 1979-11-05 N/A
Robert Cecil letter to Thomas Kent regarding Fall bird sightings, November 20, 1985 Correspondence Field notes Bird watching Birds--Counting Tyrannidae | Flycatchers Corvidae | Jays, Crows, and allies Fringillidae | Finches Hirundinidae | Swallows Turdidae | Thrushes Vireonidae | Vireos Parulidae | Warblers Troglodytidae | Wrens 1985-11-20 N/A