Title Genres Topics Date (Start) Date (End)
Peter C. Petersen letter to Nicholas S. Halmi regarding bird sightings, May 23, 1978 Correspondence Field notes Bird watching Birds--Research 1978-05-23 N/A
Field report regarding sighting of Yellow-crowned Night Heron Field notes Bird watching Birds--Research 1978-03-01 1978-05-31
Field report Field notes Bird watching Birds--Research Hirundinidae | Swallows Emberizidae | Sparrows 1978-03-01 1978-05-31
Rich DeCoster letter to Nicholas S. Halmi regarding bird sightings, June 5, 1978 Correspondence Field notes Bird watching Birds--Research 1978-06-05 N/A
Spring birds Field notes Bird watching Birds--Research Parulidae | Warblers 1978-03-01 1978-05-31
Ione Getscher letter to Nicholas S. Halmi regarding bird sightings, May 19, 1978 Correspondence Field notes Bird watching Birds--Research 1978-05-19 N/A
Harrison, Pottawatamie, and Mills Counties Field notes Bird watching Birds--Research 1978-03-01 1978-05-31
Douglas C. Harr letter to Peter C. Petersen regarding bird sightings, May 19, 1978 Correspondence Field notes Bird watching Birds--Research Parulidae | Warblers Water birds 1978-05-19 N/A
Spring notes of birds sighted by Thomas H. Kent, March 1 to May 14, 1978 Field notes Bird watching Birds--Research 1978-03-01 1978-05-14
Pearl Knoop letter to Nicholas S. Halmi regarding bird sightings, May 31, 1978. Correspondence Field notes Bird watching Birds--Migration Birds--Research 1978-05-31 N/A
Dean Mosman letter to Nicholas S. Halmi regarding bird sightings, June 1, 1978 Correspondence Field notes Bird watching Birds--Migration Birds--Research 1978-06-01 N/A
Report, February to May 1978 Field notes Bird watching Birds--Research Phalacrocoracidae | Cormorants 1978-03-01 1978-05-31
Spring observations, 1978, Northwest Iowa Field notes Bird watching Birds--Research 1978-03-01 1978-05-31
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
Field report spring 1978 Field notes Bird watching Birds--Research 1978-05-31 N/A
Charlotte Scott letter to Nicholas S. Halmi regarding bird sightings, May 31, 1978 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1978-05-31 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
Highlights of spring migration, 1978 Field notes Bird watching Birds--Research 1978-03-01 1978-05-31
Iowa Bird Life, Iowa Ornithologist's Union Field notes Bird watching Birds--Research 1978-03-01 1978-05-31
Field report, May 30 1978 Field notes Bird watching Birds--Research 1978-05-30 N/A
Jon Van Dyk letter to Nicholas S. Halmi regarding bird sightings, May 21, 1978 Correspondence Field notes Bird watching Birds--Research 1978-05-21 N/A
Field report, 1978 Field notes Bird watching Birds--Research 1978-03-01 1978-05-31
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
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
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