Title Genres Topics Date (Start) Date (End)
Letter from Nick Halmi to Vernon Kleen containing bird sighting notes, June 14, 1976 Correspondence Field notes Bird populations Bird watching Birds--Migration 1976-06-14 N/A
Marie Carlson letter to Nicholas S. Halmi regarding bird sightings, February 9, 1977 Correspondence Field notes Bird declines Bird populations Bird watching Birds--Research Ornithology--Methodology 1977-02-09 N/A
Myrle M. Burk letter to Nicholas S. Halmi regarding a sighting of a flock of Canada Geese in Waterloo, Iowa, January 2, 1977 Correspondence Field notes Bird populations Bird watching Birds--Behavior 1977-01-02 N/A
Nicholas S. Halmi letter to Vernon M. Kleen regarding birds sighted around Iowa City during the winter season, April 1, 1974 Correspondence Field notes Bird populations Bird watching Birds--Behavior Birds--Migration Citizen science 1974-04-01 N/A
Nicholas S. Halmi letter to Vernon M. Kleen regarding birds sighted during May-July 1973 Correspondence Field notes Bird populations Bird watching Birds--Behavior Birds--Habitat Rare birds 1973-05-01 1973-07-31
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
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
Peter C. Petersen letter to Nicholas S. Halmi reporting spring 1977 bird observations, June 5, 1977 Correspondence Field notes Bird banding Bird populations Bird watching Trapping 1977-06-05 N/A
Peter C. Petersen letter to Thomas H. Kent regarding summer bird sightings, August 4, 1981 Correspondence Field notes Bird populations Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1981-08-04 N/A
Ron Muilenburg letter to Nicholas S. Halmi regarding bird sightings, June 8, 1977 Correspondence Field notes Bird populations Bird watching Birds--Migration 1977-06-08 N/A
Sharon Steffens letter to Thomas H. Kent with incorporated field notes, May 29, 1985 Correspondence Field notes Bird populations Bird surveys Bird watching Birds--Nests Photography of birds 1985-05-29 N/A
Stella M. Kirkendall letter to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird populations Bird watching Birds--Food 1976-12-16 N/A
Woodward H. Brown letter to Peter C. Petersen regarding Aubudon field notes, December 9, 1964 Correspondence Field notes Bird populations Bird watching Birds--Research Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks 1964-12-09 N/A