Title Genres Topics Date (Start) Date (End)
Iowa Birdline update, June 21, 1993 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Birds--Nests Birdsongs Parulidae | Warblers Birds--Infancy Dial-a-message telephone calls 1993-06-21 N/A
Iowa Birdline update, June 1, 1992 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Birdsongs Parulidae | Warblers Dial-a-message telephone calls 1992-06-01 N/A
Iowa Birdline update, July 6, 1992 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Birdsongs Parulidae | Warblers Dial-a-message telephone calls 1992-07-06 N/A
Iowa Birdline update, August 31, 1992 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Parulidae | Warblers Dial-a-message telephone calls 1992-08-31 N/A
Iowa Birdline update, August 17, 1992 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Dial-a-message telephone calls 1992-08-17 N/A
Iowa Birdline update, August 10, 1992 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Parulidae | Warblers Dial-a-message telephone calls 1992-08-10 N/A
Letter from Darwin Koenig to Nicholas Halmi regarding bird sightings, August 22, 1976 Correspondence Field notes Bird watching Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers 1976-08-22 N/A
Letter from Peter Petersen to Nicholas Halmi regarding bird sightings, August 23, 1976 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology Parulidae | Warblers 0976-08-23 N/A
Letter from Herb Dorow to Nicholas G. Halmi Regarding Bird Sightings in Jasper County, August 20, 1976 Correspondence Field notes Bird populations Bird watching Parulidae | Warblers 1976-08-20 N/A
Audubon field notes for spring 1967 contributed by Frederick W. Kent Clippings (information artifacts) Correspondence Field notes Bird watchers Bird watching Birds--Migration Birds--Research Parulidae | Warblers 1967-03-01 1967-05-31
Observations and data on various birds, part 3 of 3, Woodward Hart Brown Correspondence Field notes Research notes Bird watching Birds--Nests Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Fringillidae | Finches Thraupidae | Tanagers Vireonidae | Vireos Parulidae | Warblers N/A N/A