Title Genres Topics Date (Start) Date (End)
James Dinsmore letter to Oscar Allert regarding mounted bird specimens, September 1, 1978 Correspondence Ornithology--Study and teaching Birds--Collection and preservation Zoological specimens 1978-09-01 N/A
Harry Oberholser letter to Oscar Allert regarding bird sightings, March 1, 1929 Correspondence Field notes Bird watching Birds--Identification Birds--Collection and preservation Zoological specimens 1929-03-01 N/A
Data on Iowa Red-tailed Hawks Research notes Bird surveys Birds--Identification Ornithology--Study and teaching Birds--Classification Zoological specimens 1932-01-01 1933-12-31
Lantern slide of a Passenger Pigeon mounted specimen Lantern slides Birds--Collection and preservation Zoological specimens N/A N/A
Bill Youngworth letter to Woodward Hart Brown regarding dubious Christmas census reports, May 25, 1954 Correspondence Bird watching Birds--Counting Birds--Geographical distribution Winter Zoological specimens 1954-05-25 N/A
Bird Sighting White-winged Crossbill, 1979 Field notes Birds--Identification Rare birds Zoological specimens 1979-07-24 N/A
Records Committee review for rare bird sighting for Greater Prairie-Chicken at Larchwood in 1992 Administrative records Clippings (information artifacts) Field notes Photographs Birds--Identification Ornithology--Methodology Rare birds Hunting Zoological specimens 1993-06-01 1994-10-18
Records Committee review for rare bird sighting for Ruff at Cone Marsh in 1940 Administrative records Clippings (information artifacts) Field notes Photographs Birds--Identification Rare birds Zoological specimens 1941-04-01 1994-02-04
Records Committee review for rare bird sighting for Sabine's Gull near Burlington in 1891 Administrative records Clippings (information artifacts) Field notes Photographs Birds--Identification Rare birds Birds--Collection and preservation Zoological specimens 1899-01-01 1994-02-04
Records Committee review for rare bird sighting for Sabine's Gull near Burlington in 1894 Administrative records Clippings (information artifacts) Field notes Birds--Identification Rare birds Birds--Collection and preservation Zoological specimens 1899-01-01 1994-02-04
Records Committee review for rare bird sighting for Sabine's Gull at Scott County before 1933 Administrative records Clippings (information artifacts) Field notes Birds--Identification Rare birds Zoological specimens 1933-12-01 1994-02-04
Records Committee review for rare bird sighting for Eurasian Collared-Dove at Grinnell in 1997 Administrative records Clippings (information artifacts) Correspondence Field notes Birds--Identification Rare birds Birds--Collection and preservation Zoological specimens 1998-02-26 2000-11-24