Title Genres Topics Date (Start) Date (End)
Iowa Ornithologists' Union, field report compiled data, White-winged Crossbill, 1965-1982 Field notes Bird watching Birds--Counting Birds--Research 1965-10-26 1982-04-17
Iowa Ornithologists' Union, field report compiled data, American Bittern, 1965-1983 Field notes Bird watching Birds--Counting Birds--Nests Birds--Research 1965-11-04 1983-07-07
Field notes contributed by Frederick W. Kent for spring 1966 Field notes Bird watching Birds--Migration Birds--Research Anseriformes | Ducks, Geese, and Swans Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Weather 1966-03-01 1966-05-31
Iowa Ornithologists' Union, field report compiled data, Hooded Merganser, 1966-1983 Field notes Bird watching Birds--Counting Birds--Research 1966-03-06 1983-06-15
Woodward H. Brown letter to Peter C. Petersen regarding winter migration, March 19, 1966 Correspondence Field notes Bird watching Birds--Migration Birds--Research Columbiformes | Doves and Pigeons Sittidae | Nuthatches Ornithology--Methodology 1966-03-19 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
Audubon field notes contributed by Woodward H. Brown, June 6, 1966 Field notes Bird watching Birds--Migration Birds--Research Tyrannidae | Flycatchers Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks Vireonidae | Vireos Parulidae | Warblers Weather 1966-06-06 N/A
Audubon field notes for Iowa, fall 1966 Correspondence Field notes Bird watching Birds--Identification Birds--Migration Birds--Research Ornithology--Methodology Fringillidae | Finches 1966-08-01 1966-11-30
Iowa Ornithologists' Union, field report compiled data, Red Crossbill, 1966-1982 Field notes Bird watching Birds--Counting Birds--Research 1966-08-10 1982-05-15
Audubon field notes contributed by Woodward H. Brown, August 16, 1966 Field notes Bird watching Birds--Research Accipitridae | Hawks and Eagles Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Ornithology--Methodology Parulidae | Warblers 1966-08-16 N/A
Iowa Ornithologists' Union, Quarterly field report, winter 1966-1967 Field notes Bird populations Bird watching Birds--Research Winter 1966-12-01 1967-02-28
Iowa Ornithologists' Union, Quarterly field report, winter 1966 Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology Weather 1966-12-01 1967-02-28
Woodward H. Brown postcard to Peter C. Petersen regarding the sighting of a female Oldsquaw and an Ani in Cedar Rapids, December 12, 1966 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1966-12-12 N/A
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
Iowa Ornithologists' Union, field report compiled data, Great Blue Heron, 1967-1983 Field notes Bird watching Birds--Counting Birds--Research 1967-02-04 1983-07-24
Audubon field notes for spring 1967 contributed by Frederick W. Kent Clippings (information artifacts) Correspondence Field notes Bird watchers Bird watching Birds--Migration Birds--Research Parulidae | Warblers 1967-03-01 1967-05-31
Iowa Ornithologists' Union, field report compiled data, Common Yellowthroat, 1967-1982 Field notes Bird watching Birds--Counting Birds--Research 1967-04-24 1982-10-10
Iowa Ornithologists' Union, field report compiled data, Least Bittern, 1967-1983 Field notes Bird watching Birds--Counting Birds--Nests Birds--Research Birds--Infancy 1967-05-07 1983-07-22
Iowa Ornithologists' Union, Quarterly field report, summer 1967 and Audubon field notes for Iowa, summer 1967 Field notes Bird watching Birds--Nests Birds--Research Ornithology--Methodology Laniidae | Shrikes Parulidae | Warblers 1967-06-01 1967-07-31
Iowa Ornithologists' Union, Quarterly field report, fall 1967 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1967-08-01 1967-11-30
Iowa Ornithologists' Union, Quarterly field report, winter 1967-1968 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1967-12-01 1968-02-28
Red-shouldered Hawk sighting notes Field notes Research notes Bird watching Birds--Geographical distribution Birds--Research 1970-01-01 1971-12-31
Iowa Ornithologists' Union, field report compiled data, Cliff Swallow, 1970-1983 Field notes Bird watching Birds--Counting Birds--Research 1970-04-18 1983-07-29
Iowa Ornithologists' Union, field report compiled data, Greater White-fronted Goose, 1970-1983 Field notes Bird watching Birds--Counting Birds--Research 1970-11-17 1983-05-04
Iowa Ornithologists' Union, field report compiled data, House Wren, 1971-1982 Field notes Bird watching Birds--Counting Birds--Nests Birdsongs Birds--Research Birds--Infancy 1971-10-25 1982-10-10