Title Genres Topics Date (Start) Date (End)
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
Robert Jessen letter to Vernon M. Kleen regarding spring birds sighted near Oskaloosa, June 2, 1975 Correspondence Field notes Bird banding Bird watching Birds--Research Ornithology--Methodology 1975-06-02 N/A
Gladys Black letter to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird banding Bird watching Birds--Research 1976-10-25 N/A
Dean Mosman letter to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird banding Bird populations Bird watching Radio and television tower bird strikes Parulidae | Warblers 1976-08-01 1976-11-30
Peter C. Petersen letter and checklist to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird banding Bird watching Birds--Research Trapping 1976-12-05 N/A
Peter C. Petersen letter to Nicholas S. Halmi regarding bird sightings, February 13, 1977 Correspondence Field notes Bird banding Bird watching Birds--Identification 1977-02-13 N/A
Field notes for American birds, summer 1972 Field notes Bird banding Bird watching Birds--Research Rare birds 1972-08-22 N/A
Audubon field notes on the nesting season contributed by Woodward H. Brown, August 15, 1965 Field notes Bird banding Bird populations Bird watching Birds--Nests Turdidae | Thrushes 1965-08-15 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
Records Committee review for rare bird sighting for Black-headed Grosbeak at Manti Memorial Park in 1968 Administrative records Clippings (information artifacts) Field notes Bird banding Birds--Identification Rare birds 1907-03-01 1993-08-19
Great Horned Owl nesting study and research notes Reports Research notes Essays Bird banding Birds--Eggs Birds--Food Birds--Nests Birds--Research Ornithology--Methodology Birds--Infancy Eggs--Incubation 1933-02-26 1939-12-31
Records Committee review for rare bird sighting for MacGillivray's Warbler at Iowa in 1978 Administrative records Clippings (information artifacts) Field notes Bird banding Birds--Identification Rare birds 1979-06-01 1993-08-19
Records Committee review for rare bird sighting for MacGillivray's Warbler at Atchison County, MO in 1974 Administrative records Clippings (information artifacts) Field notes Bird banding Birds--Identification Rare birds 1975-09-01 1995-11-06
Records Committee review for rare bird sighting for MacGillivray's Warbler at Sioux City in 1966 Administrative records Clippings (information artifacts) Field notes Bird banding Birds--Identification Rare birds 1966-06-01 1997-08-27
Records Committee review for rare bird sighting for Clark's Nutcracker at Forest Lake Camp near Ottumwa in 1972 Administrative records Clippings (information artifacts) Field notes Photographs Bird banding Birds--Identification Rare birds Wildlife conservation 1972-10-15 1994-02-04
Records Committee review for rare bird sighting for Carolina Chickadee south of Hamburg in 1974 Administrative records Clippings (information artifacts) Field notes Bird banding Birds--Identification Rare birds 1975-06-01 1993-08-26
Records Committee review for rare bird sighting for Carolina Chickadee at Iowa in 1975 Administrative records Clippings (information artifacts) Field notes Bird banding Birds--Identification Rare birds 1977-12-01 1993-08-26
Records Committee review for rare bird sighting for Carolina Chickadee at Iowa in 1976 Administrative records Clippings (information artifacts) Field notes Bird banding Birds--Identification Rare birds 1977-12-01 1993-08-26
Records Committee review for rare bird sighting for Carolina Chickadee at Iowa in 1977 Administrative records Clippings (information artifacts) Field notes Bird banding Birds--Identification Rare birds 1978-06-01 1993-08-26
Records Committee review for rare bird sighting for Ringed Turtle-Dove at Des Moines in 1976 Administrative records Clippings (information artifacts) Field notes Bird banding Birds--Identification Introduced birds Rare birds 1978-12-01 1993-08-26
Daily field checking list by Walter Rosene, April 23, 1939 Checklists Field notes Bird banding Bird watching 1939-04-23 N/A
Records Committee review for rare bird sighting for Chukar at Davenport in 1974 Administrative records Clippings (information artifacts) Field notes Bird banding Birds--Identification Birds--Nests Introduced birds Photography of birds Rare birds 1974-09-01 1993-08-26
Records Committee review for rare bird sighting for Ferruginous Hawk north of Pocahontas in 1977 Administrative records Clippings (information artifacts) Correspondence Field notes Bird banding Birds--Identification Ornithology--Methodology Rare birds Zoological specimens 1985-06-04 1994-02-03
Records Committee review for rare bird sighting for Ferruginous Hawk in Marshall County in 1963 Administrative records Clippings (information artifacts) Field notes Bird banding Birds--Identification Rare birds 1964-03-01 1994-02-03
Records Committee review for rare bird sighting for Black-bellied Whistling Duck at Zirbel Slough in 1977 Administrative records Clippings (information artifacts) Correspondence Field notes Bird banding Birds--Identification Rare birds 1977-05-08 1999-04-09