Title Genres Topics Date (Start) Date (End)
Bill Youngworth letter to Woodward Hart Brown regarding Blue-winged Warbler range, December 8, 1962 Correspondence Bird watching Birds--Geographical distribution Birds--Nests 1962-12-08 N/A
Observations and data on various birds, part 3 of 3, Woodward Hart Brown Correspondence Field notes Research notes Bird watching Birds--Nests Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Fringillidae | Finches Thraupidae | Tanagers Vireonidae | Vireos Parulidae | Warblers N/A N/A
Observations and data on various birds, part 2 of 3, Woodward Hart Brown Correspondence Field notes Photographic prints Research notes Bird watching Birds--Nests Laridae | Gulls and Terns Corvidae | Jays, Crows, and allies Sittidae | Nuthatches Scolopacidae | Sandpipers, Phalaropes, and allies Laniidae | Shrikes Piciformes | Woodpeckers and allies Strigiformes | Owls Cuculiformes | Cuckoos, Roadrunners, and Anis Coraciiformes | Kingfishers N/A N/A
Observations and data on various birds, part 1 of 3, Woodward Hart Brown Correspondence Field notes Photographic prints Research notes Articles Bird watching Birds--Eggs Birds--Nests Gruiformes | Cranes, Rails, and Coots Anseriformes | Ducks, Geese, and Swans Podicipediformes | Grebes Accipitridae | Hawks and Eagles Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Gaviiformes | Loons Charadriidae | Plovers Galliformes | Quails, Pheasants, Turkeys, and Grouse N/A N/A
Helen King letter to Philip DuMont regarding Starlings in Grundy County, December 11, 1933 Correspondence Bird watching Birds--Nests Introduced birds Aggressive behavior in animals 1933-12-11 N/A
Wood Duck nesting records, volume two, 1954-1966 Clippings (information artifacts) Correspondence Field notes Birds--Nests Birds--Research Ornithology--Methodology Birdhouses Eggs--Incubation Ducks--Counting Ducklings Wood duck--Behavior 1954-01-01 1966-12-31
Wood Duck nesting records, volume three, 1967-1978 Clippings (information artifacts) Correspondence Printed ephemera Field notes Birds--Eggs Birds--Nests Birds--Research Ornithology--Methodology Birdhouses Eggs--Incubation Ducks--Counting Ducklings Wood duck--Behavior 1967-01-01 1978-12-31
Pearl Knoop letter to Peter C. Petersen regarding nesting season, August 21, 1964 Correspondence Field notes Bird watching Birds--Migration Birds--Nests Birds--Research Ornithology--Methodology 1964-08-21 N/A
James Delehant letter to Vernon M. Kleen regarding unusual birds sighted during nesting season, August 22, 1972 Correspondence Bird watching Birds--Nests 1972-08-22 N/A
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
Gladys Black letter to Vernon M. Kleen regarding birds sighted during breeding season 1975, August 5, 1975 Correspondence Field notes Bird watching Birds--Nests Birds--Research Ornithology--Methodology Radio and television tower bird strikes 1975-08-05 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
Gladys Black letter and report to Vernon M. Kleen regarding winter Red Rock Lake area bird sightings, March 6, 1974 Correspondence Field notes Bird populations Bird watching Birds--Nests Birds--Research 1974-03-06 N/A
Letter and bird sighting checklist from Robert and Valerie Jessen to Vernon M. Kleen, spring migration 1974 Checklists Correspondence Field notes Bird banding Bird populations Bird watching Birds--Behavior Birds--Nests Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures 1974-03-01 1974-05-31
Letter from Robert Jessen to Vernon M. Kleen regarding birds sighted near Oskaloosa, summer 1974 Correspondence Field notes Bird watching Birds--Nests Birds--Research Troglodytidae | Wrens 1974-06-01 1974-07-31
Gladys Black letters to Vernon M. Kleen regarding fall migration and nesting season, 1974 Correspondence Field notes Bird watching Birds--Migration Birds--Nests Habitat (Ecology) Radio and television tower bird strikes 1974-08-01 1974-11-30
Gladys Black letter to Vernon M. Kleen regarding changes in habitat and birds sighted at Red Rock Refuge during 1968-1970, April 7, 1971 Correspondence Field notes Bird watching Birds--Habitat Birds--Nests 1971-04-07 N/A
Gladys Black letter to Peter C. Petersen regarding spring migration at Red Rock Refuge, June 12, 1970 Correspondence Field notes Bird watching Birds--Counting Birds--Migration Birds--Nests 1970-06-12 N/A
Pearl Knoop letter to Peter C. Petersen regarding fall migration, August 17, 1963 Correspondence Field notes Bird watching Birds--Migration Birds--Nests Birds--Research Ornithology--Methodology 1963-08-17 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird watching, April 27, 1977 Correspondence Field notes Bird watching Birds--Nests Rare birds Predation (Biology) 1977-04-27 N/A
Charlotte Scott letter to Nicholas S. Scott regarding blue-listed birds, June 7, 1977 Correspondence Field notes Bird watching Birds--Conservation Birds--Nests 1977-06-07 N/A
Ross W. Silcock letter to Nicholas S. Halmi regarding bird sightings, June 3, 1978 Correspondence Field notes Bird watching Birds--Nests Birds--Research Charadriiformes | Shore-birds, Gulls, and Auks 1978-06-03 N/A
Dick Bierman letter to Nicholas S. Halmi regarding spring bird sightings, May 28, 1979 Correspondence Field notes Reports Bird watching Birds--Migration Birds--Nests Anseriformes | Ducks, Geese, and Swans Gaviiformes | Loons Rare birds Parulidae | Warblers 1979-05-28 N/A
Darwin Koenig letter to Nicholas S. Halmi regarding spring bird sightings, June 4, 1979 Correspondence Field notes Bird watching Birds--Nests 1979-06-04 N/A
Ross Silcock letter to Thomas H. Kent regarding bird sightings, August 5, 1979 Correspondence Field notes Bird banding Bird watching Birds--Counting Birds--Nests Birds--Research 1979-08-05 N/A