Title Genres Topics Date (Start) Date (End)
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
Gladys Black letter to Thomas H. Kent regarding bird sightings, July 30, 1980 Correspondence Field notes Bird watching Birds--Counting Birds--Nests Fringillidae | Finches Troglodytidae | Wrens Songbirds 1980-07-30 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
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 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
Hank Krause letter to Thomas H. Kent regarding bird sightings, spring 1986 Correspondence Field notes Bird watching Birds--Nests Birds--Infancy 1986-03-01 1986-05-31
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
Helen Peasley and Florence Thornburg letter to Philip DuMont regarding bird observations, July 22, 1937 Correspondence Bird watching Birds--Eggs Birds--Nests 1937-07-22 N/A
Helen Yoder letter to James L. Fuller regarding a Loggerhead Shrike sighting, May 19, 1992 Correspondence Field notes Bird watching Birds--Nests Eggs--Incubation 1992-05-19 N/A
Hugo Schroder letter to Philip DuMont regarding nesting birds in Iowa, January 2, 1935 Correspondence Bird watching Birds--Geographical distribution Birds--Nests Ornithological literature 1935-01-02 N/A
Ione Getscher letter to Thomas H. Kent regarding bird sightings, May 19, 1980 Correspondence Field notes Bird watching Birds--Migration Birds--Nests Birds--Research Anseriformes | Ducks, Geese, and Swans Ornithology--Methodology Parulidae | Warblers 1980-05-19 N/A
Iowa Birdline update, April 13, 1992 Correspondence Field notes Bird watching Birds--Identification Birds--Nests Birdsongs Anseriformes | Ducks, Geese, and Swans Charadriiformes | Shore-birds, Gulls, and Auks Dial-a-message telephone calls 1992-04-13 N/A
Iowa Birdline update, August 1, 1994 Correspondence Field notes Bird watching Birds--Nests Charadriiformes | Shore-birds, Gulls, and Auks Birds--Infancy Ardeidae | Herons Dial-a-message telephone calls 1994-08-01 1994-08-04
Iowa Birdline update, August 12, 1991 Correspondence Field notes Birds--Identification Birds--Nests Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Birds--Infancy Dial-a-message telephone calls 1991-08-12 N/A
Iowa Birdline update, July 1, 1991 Correspondence Field notes Bird watching Birds--Identification Birds--Nests Anseriformes | Ducks, Geese, and Swans Nest building Dial-a-message telephone calls 1991-07-01 N/A
Iowa Birdline update, July 11, 1994 Correspondence Field notes Bird watching Birds--Nests Rallidae | Rails Charadriiformes | Shore-birds, Gulls, and Auks Dial-a-message telephone calls 1994-07-11 N/A
Iowa Birdline update, July 13, 1992 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Birds--Nests Charadriiformes | Shore-birds, Gulls, and Auks Birds--Infancy Dial-a-message telephone calls 1992-07-13 N/A
Iowa Birdline update, July 15, 1991 Correspondence Field notes Bird watching Birds--Identification Birds--Nests Birdsongs Charadriiformes | Shore-birds, Gulls, and Auks Dial-a-message telephone calls 1991-07-15 N/A
Iowa Birdline update, July 24, 1991 Correspondence Field notes Bird watching Birds--Identification Birds--Nests Charadriiformes | Shore-birds, Gulls, and Auks Birds--Infancy Dial-a-message telephone calls 1991-07-24 N/A
Iowa Birdline update, July 25, 1994 Correspondence Field notes Bird watching Birds--Nests Charadriiformes | Shore-birds, Gulls, and Auks Dial-a-message telephone calls 1994-07-25 N/A
Iowa Birdline update, July 4, 1994 Correspondence Field notes Bird watching Birds--Nests Exotic birds Parulidae | Warblers Dial-a-message telephone calls 1994-07-04 N/A
Iowa Birdline update, July 8, 1991 Correspondence Field notes Bird watching Birds--Identification Birds--Nests Birdsongs Charadriiformes | Shore-birds, Gulls, and Auks Water birds Birds--Infancy Dial-a-message telephone calls 1991-07-08 N/A
Iowa Birdline update, June 13, 1993 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Birds--Nests Birdsongs Dial-a-message telephone calls 1993-06-13 N/A
Iowa Birdline update, June 13, 1994 Correspondence Field notes Bird watching Birds--Nests Birdsongs Dial-a-message telephone calls 1994-06-13 N/A
Iowa Birdline update, June 17, 1991 Correspondence Field notes Bird watching Birds--Nests Dial-a-message telephone calls 1991-06-17 N/A