Title Genres Topics Date (Start) Date (End)
Mary R. Musgrove letter to Thomas H. Kent regarding winter bird sightings, December 16, 1982 Correspondence Field notes Bird watching Birds--Counting Hunting 1982-12-16 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
Mary R. Musgrove letter to Thomas H. Kent regarding additional winter bird sightings, February 16, 1983 Correspondence Field notes Bird feeders Bird watching Country life Raccoon--Behavior 1983-02-16 N/A
Mary Lou Petersen letter to Oscar Allert regarding honorary membership in the Iowa Ornithologists' Union, May 31, 1976 Correspondence Ornithology--Societies, etc 1976-05-31 N/A
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
Martin Grant letter to Philip DuMont regarding the Check-list of Iowa Birds, October 17, 1962 Checklists Correspondence Bird watching Birds--Nomenclature Birds--Classification 1962-10-17 N/A
Martin Grant letter to Philip DuMont regarding identification key, May 17, 1937 Correspondence Instructional materials Birds--Identification Ornithology--Study and teaching 1937-05-17 N/A
Martin Grant letter to George Hendrickson regarding Checklist of Iowa Birds, June 25, 1956 Correspondence Bird watching Birds--Nomenclature Layout (Printing) 1956-06-25 N/A
Martha Waterman letter to Thomas H. Kent regarding a possible Great Gray Owl sighting, February 16, 1996 Correspondence Field notes Bird watching Birds--Habitat Birds--Identification Owls--Behavior 1996-02-16 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
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 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
Marion Brewer letter to Thomas Kent regarding Marbled Godwit, October 25, 1983 Correspondence Field notes Bird watchers Bird watching 1983-10-25 N/A
Marie Tiemann letter to Jim Dinsmore regarding summer sightings, August 3, 1994 Correspondence Field notes Bird watching Birdsongs 1994-08-03 N/A
Marie E. Spears Tiemann letter to Carl J. Bendorf regarding a Turkey Vulture sighting, November 27, 1987 Correspondence Field notes Bird watching Birds--Identification 1987-11-27 N/A
Marie E. Spears Tiemann and Jean B. Braley letter to James J. Dinsmore regarding summer bird sightings, July 31, 1997 Correspondence Field notes Bird declines Bird watching Birds--Nests 1997-07-31 N/A
Maridel Jackson letter to Thomas Kent regarding bird highlights, June 3, 1998 Correspondence Field notes Bird watching 1998-03-01 1998-05-31
Maridel Jackson letter to James J. Dinsmore regarding summer bird sightings, July 26, 1993 Correspondence Field notes Bird watching Birds--Behavior Birds--Nests Birds--Infancy 1993-07-26 N/A
Margaret Kohlman letter to Oscar Allert regarding Peregrine Falcon sightings, May 29, 1939 Correspondence Field notes Bird watching Birds--Identification Stamp collecting 1939-05-29 N/A
Malcolm McDonald letter to Philip DuMont regarding Starling sightings, May 15, 1935 Correspondence Bird watching Birdsongs Introduced birds Aggressive behavior in animals 1935-05-15 N/A
Mabel Tate letter to Philip DuMont regarding Starling article, July 30, 1934 Correspondence Introduced birds Birds--Collection and preservation 1934-07-30 N/A
Mabel Tate letter to Philip DuMont regarding Starling shot near Macksburg, August 24, 1934 Correspondence Bird pests Introduced birds 1934-08-24 N/A
Lucille M. Gaffney letter to Carl J. Bendorf regarding an injured Cattle Egret, November 25, 1987 Correspondence Field notes Bird watching Wildlife rescue 1987-11-25 N/A
Louis Bishop letter to Philip DuMont regarding Walter Savage collection, October 15, 1935 Correspondence Birds--Eggs Zoological specimens 1935-10-15 N/A
Linda Hinshaw letter to Carl J. Bendorf regarding an injured Red-tailed Hawk (Harlan's Hawk), December 2, 1987 Correspondence Field notes Birds--Identification Wildlife rescue 1987-12-02 N/A