Title Genres Topics Date (Start) Date (End)
Letter to members of the Iowa Ornithologists' Union regarding the death of Dr. LeRoy Titus Weeks Correspondence Poems Conservationists Ornithology--Societies, etc N/A N/A
Letter to members of the Iowa Ornithologists' Union regarding the fall bird movement in Iowa Correspondence Bird watchers Birds--Identification Ornithology--Societies, etc Parulidae | Warblers N/A N/A
Iowa Breeding Bird Atlas Coordinators Newsletter Correspondence Ornithology--Methodology Ornithology--Societies, etc Ornithology--Study and teaching N/A N/A
Iowa Breeding Bird Atlas Coordinators Newsletter Correspondence Ornithology--Methodology Ornithology--Societies, etc Ornithology--Study and teaching N/A N/A
W. Ross Silcock letter to Vernon M. Kleen regarding bird observations for winter 1975/1976, undated Correspondence Field notes Bird watching Birds--Counting Ornithology--Methodology N/A N/A
Letter from J. Donald Gillaspey to Nicholas Halmi regarding bird sightings Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology N/A N/A
W. Ross Silcock letter to Nicholas S. Halmi regarding highlights of the Christmas bird count, January 30, 1977 Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology Fringillidae | Finches N/A N/A
Oscar Allert letter to Mary Lou Petersen regarding honorary membership in the Iowa Ornithologists' Union Correspondence Ornithology--Societies, etc N/A N/A