Title Genres Topics Date (Start) Date (End)
Mark Proescholdt letter to James J. Dinsmore regarding a trip to northwest Iowa and bird sightings, June 26, 1987 Correspondence Field notes Bird watching Birding sites Ornithology--Methodology 1987-06-26 N/A
Mark Widrlechner letter to Boone County Bird Count Participants regarding the 1999 Christmas Bird Count results, January 9, 1999 Correspondence Field notes Bird surveys Bird watching Birds--Counting Ornithology--Methodology 1999-01-09 N/A
Mark Widrlechner letter to Hank Zaletel regarding the Boone County Christmas Bird Count Correspondence Bird surveys Bird watching Birds--Counting Ornithology--Methodology 1996-01-01 1996-12-31
Martin L. Grant letter to Woodward H. Brown regarding comments concerning the field checking list of Iowa birds, December 16, 1962 Correspondence Bird watching Birds--Identification Birds--Nomenclature Ornithology--Methodology 1962-12-16 N/A
Mary R. Musgrove letter to Thomas H. Kent regarding spring bird sightings, April 29, 1983 Correspondence Field notes Bird watching Birds--Identification Birds--Migration Birds--Research Ornithology--Methodology Weather Country life 1983-04-29 N/A
Melba Wigg letter and report to Vernon M. Kleen regarding 1975 fall migration around Council Bluffs Iowa, December 1, 1975 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1975-12-01 N/A
Melba Wigg letter and report to Vernon M. Kleen regarding spring migration bird sightings near Council Bluffs, June 6, 1974 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1974-06-06 N/A
Memo for Iowa Ornithologists' visitors, May 17 Lecture notes Bird watchers Birds--Research Ornithology--Methodology Birdhouses 1970-05-17 N/A
Michael C. Newlon letter and notes to Vernon M. Kleen regarding fall migration, November 19, 1975 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks Fringillidae | Finches Troglodytidae | Wrens 1975-11-19 N/A
Michael C. Newlon letter to Thomas H. Kent regarding spring bird sightings, spring 1983 Correspondence Field notes Bird watching Birds--Identification Birds--Research Ornithology--Methodology 1983-03-01 1983-05-31
Nesting Wood Duck study (35 Years) Reports Tables (documents) Birds--Eggs Birds--Nests Birds--Research Ornithology--Methodology Birdhouses Predatory animals Waterfowl management Eggs--Incubation Ducks--Counting Ducklings Wood duck--Behavior 1984-01-01 1984-12-31
Nicholas S. Halmi letter to Vernon M. Kleen regarding birds observed near Iowa City, April 1, 1976 Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1976-04-01 N/A
Nicholas S. Halmi letter to Vernon M. Kleen regarding birds sighted around Iowa City during fall 1974, November 30, 1974 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1974-11-30 N/A
Nicholas S. Halmi letter to Vernon M. Kleen regarding birds sighted around Iowa City during fall 1975, December 1, 1975 Correspondence Field notes Bird watching Birds--Research Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks 1975-12-01 N/A
Nicholas S. Halmi letter to Vernon M. Kleen regarding birds sighted during winter 1972-1973, including rare birds, March 20, 1973 Correspondence Field notes Bird populations Bird watchers Bird watching Birds--Habitat Birds--Migration Ornithology--Methodology Rare birds Country life 1973-03-20 N/A
Nicholas S. Halmi letter to Vernon M. Kleen regarding birds sighted near Iowa City during spring migration, June 1, 1975 Correspondence Bird watching Birds--Migration Birds--Research Anseriformes | Ducks, Geese, and Swans Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks 1975-06-01 N/A
North American nest-record card program, Doug Reeves, summer 1987 Field notes Forms (documents) Bird watching Birds--Habitat Birds--Nests Ornithology--Methodology Rare birds Birds--Infancy 1987-07-10 N/A
Old nesting records of Rare Birds in Iowa Drafts (documents) Articles Birds--Nests Ornithology--Methodology Ornithology--Study and teaching Birds--Collection and preservation 1936-01-01 1936-01-31
Pearl Knoop letter to Peter C. Petersen regarding bird sightings, December 7, 1963 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1963-12-07 N/A
Pearl Knoop letter to Peter C. Petersen regarding bird sightings, June 10, 1964 Correspondence Field notes Bird populations Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1964-06-10 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
Pearl Knoop letter to Peter C. Petersen regarding fall migration, December 15, 1962 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1962-12-15 N/A
Pearl Knoop letter to Peter C. Petersen regarding field notes, winter 1963 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1963-04-08 N/A
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
Pearl Knoop letter to Peter C. Petersen regarding spring migration, June 4, 1963 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1963-06-04 N/A