Title Genres Topics Date (Start) Date (End)
Iowa RBA, December 13-17, 1999 Correspondence Field notes Bird feeders Bird watching Birds--Identification Anseriformes | Ducks, Geese, and Swans Dial-a-message telephone calls 1999-12-13 1999-12-17
George Kaufman letter to Oscar Allert regarding Bald Eagle and King Rail sightings, August 17, 1939 Correspondence Field notes Bird watching Birds--Nests 1939-08-17 N/A
Ellison Orr letter to Oscar Allert regarding Peregrine Falcon sightings, March 10, 1934 Correspondence Field notes Bird watching Birds--Geographical distribution Birds--Nests 1934-03-10 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
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
Bird migration records, 1926 Field notes Bird watching Birds--Geographical distribution Birds--Migration Migratory birds 1927-01-01 1927-01-31
Bird migration records, 1925 Field notes Bird watching Birds--Geographical distribution Birds--Migration Migratory birds 1926-01-18 N/A
Bird migration records, 1924 Field notes Bird watching Birds--Geographical distribution Birds--Migration Migratory birds 1925-02-07 N/A
Bird migration records, North Dakota, 1924 Field notes Bird watching Birds--Geographical distribution Birds--Migration Game and game-birds Migratory birds Photography of birds Charadriiformes | Shore-birds, Gulls, and Auks 1925-05-01 N/A
Bird migration records, 1923 Field notes Bird watching Birds--Geographical distribution Birds--Migration Migratory birds 1924-01-02 N/A
Bird migration records, 1922 Field notes Bird watching Birds--Geographical distribution Birds--Migration Migratory birds 1923-01-02 N/A
Iowa RBA, December 27, 1999 - January 1, 2000 Correspondence Field notes Bird feeders Bird watching Birds--Identification Dial-a-message telephone calls 1999-12-27 2000-01-01
Iowa RBA, December 3, 19-24, 1999 Correspondence Field notes Bird feeders Bird watching Birds--Identification Dial-a-message telephone calls 1999-12-03 1999-12-24
Iowa RBA, September 20-24, 1999 Correspondence Field notes Bird watching Birds--Identification Charadriiformes | Shore-birds, Gulls, and Auks Dial-a-message telephone calls 1999-09-20 1999-09-24
Iowa RBA, December 6-12, 1999 Correspondence Field notes Bird watching Birds--Identification Dial-a-message telephone calls 1999-12-06 1999-12-12
Iowa RBA, November 29-December 4, 1999 Correspondence Field notes Bird watching Birds--Identification Dial-a-message telephone calls 1999-11-29 1999-12-04
Iowa RBA, November 22-25, 1999 Correspondence Field notes Bird watching Birds--Identification Dial-a-message telephone calls 1999-11-22 1999-11-25
Iowa RBA, November 15-20, 1999 Correspondence Field notes Bird feeders Bird watching Birds--Identification Anseriformes | Ducks, Geese, and Swans Dial-a-message telephone calls 1999-11-15 1999-11-20
Iowa RBA, November 7-12, 1999 Correspondence Field notes Bird feeders Bird watching Birds--Identification Laridae | Gulls and Terns Charadriiformes | Shore-birds, Gulls, and Auks Calcariidae | Longspurs and snow bunting Dial-a-message telephone calls 1999-11-07 1999-11-12
Iowa RBA, November 1-3, 1999 Correspondence Field notes Bird feeders Bird watching Birds--Identification Gaviiformes | Loons Calcariidae | Longspurs and snow bunting Dial-a-message telephone calls 1999-11-01 1999-11-03
Iowa RBA, October 25-30, 1999 Correspondence Field notes Bird feeders Bird watching Birds--Identification Calcariidae | Longspurs and snow bunting Dial-a-message telephone calls 1999-10-25 1999-10-30
Iowa RBA, October 18-19, 1999 Correspondence Field notes Bird watching Birds--Identification Emberizidae | Sparrows Dial-a-message telephone calls 1999-10-18 1999-10-19
Iowa RBA, October 11, 1999 Correspondence Field notes Bird watching Birds--Identification Charadriiformes | Shore-birds, Gulls, and Auks Dial-a-message telephone calls 1999-10-11 N/A
Iowa RBA, October 4-8, 1999 Correspondence Field notes Bird watching Birds--Identification Charadriiformes | Shore-birds, Gulls, and Auks Emberizidae | Sparrows Dial-a-message telephone calls 1999-10-04 1999-10-08
Iowa RBA, September 27-October 2, 1999 Correspondence Field notes Bird watching Birds--Identification Threskiornithidae | Ibises Emberizidae | Sparrows Dial-a-message telephone calls 1999-09-27 1999-10-02