Title Genres Topics Date (Start) Date (End)
Pearl Knoop letter to Peter C. Petersen regarding Marble Rock, Iowa spring migration, June 10, 1965 Correspondence Field notes Bird watching Birds--Migration Fringillidae | Finches Parulidae | Warblers 1965-06-10 N/A
Peter C. Petersen letter to Nicholas S. Halmi regarding winter bird sightings, February 10, 1979 Correspondence Field notes Bird feeders Bird watching Birds--Counting Birds--Research Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Accipitridae | Hawks and Eagles Fringillidae | Finches Water birds 1979-02-10 N/A
Report form for selected species in spring Checklists Field notes Surveys (documents) Bird watching Birds of prey Birds--Counting Tyrannidae | Flycatchers Charadriiformes | Shore-birds, Gulls, and Auks Fringillidae | Finches Water birds Troglodytidae | Wrens 1985-08-01 1985-11-30
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
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
Ruth Phipps letter to Nicholas S. Halmi regarding winter bird sightings, February 7, 1979 Correspondence Field notes Bird banding Bird watching Birds--Research Anseriformes | Ducks, Geese, and Swans Accipitridae | Hawks and Eagles Fringillidae | Finches 1979-02-07 N/A
Spring records for birds sighted in the Iowa City area, 1975 Correspondence Field notes Bird watching Birds--Research Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks Fringillidae | Finches Parulidae | Warblers 1975-03-01 1975-05-31
W. Ross Silcock letter to Nicholas S. Halmi regarding highlights of the Christmas bird count, January 30, 1977 Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology Fringillidae | Finches N/A N/A
W. Ross Silcock letter to Nicholas S. Halmi regarding winter bird sightings, February 28, 1979 Correspondence Field notes Bird watching Birds--Counting Birds--Research Fringillidae | Finches 1979-02-28 N/A
W. Ross Silcock letter to Thomas H. Kent regarding bird sightings, May 31, 1980 Correspondence Field notes Bird watching Birds--Breeding Birds--Counting Birds--Habitat Birdsongs Fringillidae | Finches 1980-05-31 N/A
Winter 1980-81 report by John Van Dyk Field notes Bird watching Birds of prey Anseriformes | Ducks, Geese, and Swans Fringillidae | Finches Weather 1981-03-03 N/A
Woodward H. Brown letter to Fred Kent about birding sightings and reports, January 7, 1967 Correspondence Field notes Birds--Identification Rare birds Fringillidae | Finches 1967-01-07 N/A