Title Genres Topics Date (Start) Date (End)
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
Clarence Cottam letter to Walter Rosene regarding the analysis and contents of Long-eared Owl pellets, May 28, 1936 Correspondence Reports Birds--Research Ornithology--Methodology Bird droppings 1936-05-28 N/A
Tim C. Moermond letter to Peter C. Petersen regarding field notes, winter 1963 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1963-04-03 N/A
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
Letter to Peter C. Petersen regarding bird summer sightings, July 24, 1963 Correspondence Field notes Bird banding Bird watching Birds--Research Ornithology--Methodology Wild animal collecting 1963-07-24 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
Robert L. Nelson letter to Peter C. Petersen regarding spring migration, June 14, 1963 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1963-06-14 N/A
Tim C. Moermond and Mike Orthel letter to Peter C. Petersen regarding spring migration, May 28, 1963 Artifacts (object genre) Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1963-05-28 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
Ruth Upp letter to Peter C. Petersen regarding bird sightings, March 16, 1963 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1963-03-16 N/A
Joe Kennedy letter to Peter C. Petersen regarding field notes, winter 1963 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1963-03-01 1963-03-31
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
Thomas H. Kent and Carl J. Bendorf letter to regular field report contributors regarding a field report format, April 14, 1985 Correspondence Bird watching Birds--Identification Ornithology--Methodology 1985-04-14 N/A
Tim C. Moermond letter to Peter C. Petersen regarding field notes, fall 1962 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1962-12-17 N/A
Florence McCaughey letter to Peter C. Petersen regarding 1962 fall migration report, December 6, 1962 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1962-12-06 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
Vernon M. Kleen letter to Peter C. Petersen regarding field notes from the 1960s, January 19, 1989 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1989-01-19 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
Letter to Iowa Ornithologists' Union members regarding an Iowa Birdline Correspondence Ornithology--Methodology Ornithology--Societies, etc Citizen science 1981-09-01 1981-09-30
Letter to members of the Iowa Ornithologists' Union regarding setting up a Birdline Correspondence Ornithology--Methodology Ornithology--Societies, etc Citizen science 1981-06-01 1981-12-31
Richard Jule Hollis letter to Hank Zaletel regarding the Iowa Birdline, December 17, 1981 Correspondence Bird watching Birds--Counting Ornithology--Methodology Ornithology--Societies, etc 1981-12-17 N/A
Letter to members of the Iowa Ornithologists' Union announcing the Iowa Birdline is now in operation, December 1981 Correspondence Ornithology--Methodology Ornithology--Societies, etc Citizen science 1981-12-01 1981-12-31
Richard Jule Hollis letter to Hank Zaletel regarding setting up a Bird Hotline, May 27, 1981 Correspondence Bird watching Birds--Identification Ornithology--Methodology Ornithology--Societies, etc 1981-05-27 N/A