Title Genres Topics Date (Start) Date (End)
Field notes contributed by Marietta Petersen, summer 1996 Field notes Bird watching Birds--Nests Birdsongs 1996-06-01 1996-07-31
Field notes contributed by Marietta Petersen, summer 2001 Field notes Bird watching 2001-06-01 2001-07-31
Field notes contributed by Marietta Petersen, summer 2003 Field notes Bird watching Birds--Identification Birdsongs Birdhouses 2003-06-01 2003-07-31
Field notes contributed by Marion Brewer, May 27, 1982 Field notes Forms (documents) Bird watching 1982-05-27 N/A
Field notes contributed by Marion M. Brewer, Cherokee, Iowa, fall 1984 Field notes Forms (documents) Bird watching 1984-08-01 1984-11-30
Field notes contributed by Marion M. Brewer, Cherokee, Iowa, spring 1984 Correspondence Field notes Forms (documents) Bird watching Birds--Research 1984-05-28 N/A
Field notes contributed by Marion M. Brewer, Cherokee, Iowa, summer 1984 Field notes Forms (documents) Bird watching Birds--Nests 1984-06-01 1984-07-31
Field notes contributed by Marion M. Brewer, Cherokee, Iowa, winter 1983-1984 Field notes Bird watching 1983-12-01 1984-02-28
Field notes contributed by Marion M. Brewer, fall 1981 Field notes Bird watching Birds--Research Ornithology--Methodology 1981-08-01 1981-11-30
Field notes contributed by Marion M. Brewer, fall 1992 Field notes Forms (documents) Bird watching Birds--Counting Birdhouses 1992-08-01 1992-11-30
Field notes contributed by Marion M. Brewer, fall 1993 Field notes Reports Bird watching Birds--Counting 1993-08-01 1993-11-30
Field notes contributed by Marion M. Brewer, February 26, 1982 Field notes Bird watching 1982-02-26 N/A
Field notes contributed by Marion M. Brewer, June 1, 1979 Field notes Reports Bird watching Birds--Nests Parulidae | Warblers 1979-06-01 N/A
Field notes contributed by Marion M. Brewer, May 31, 1980. Field notes Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1980-05-31 N/A
Field notes contributed by Marion M. Brewer, spring 1983 Field notes Forms (documents) Reports Bird watching Birds--Counting Birds--Migration Birds--Research Ornithology--Methodology Scolopacidae | Sandpipers, Phalaropes, and allies Parulidae | Warblers Water birds 1983-03-01 1983-05-31
Field notes contributed by Marion M. Brewer, spring 1992 Field notes Forms (documents) Bird watching Birds--Feeding and feeds 1992-03-01 1992-05-31
Field notes contributed by Marion M. Brewer, spring 1996 Field notes Forms (documents) Bird watching Birds--Counting 1996-03-01 1996-05-31
Field notes contributed by Marion M. Brewer, spring 1997 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification 1997-03-01 1997-05-31
Field notes contributed by Marion M. Brewer, summer 1993 Field notes Forms (documents) Bird watching Birds--Behavior Birds--Counting 1993-06-01 1993-07-31
Field notes contributed by Marion M. Brewer, winter 1982-1983 Field notes Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1982-12-01 1983-02-28
Field notes contributed by Mark A. Hartman, spring 1988 Field notes Bird watching 1988-03-01 1988-05-31
Field notes contributed by Mark D. Dixon, spring 1983 Field notes Forms (documents) Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology Scolopacidae | Sandpipers, Phalaropes, and allies Charadriiformes | Shore-birds, Gulls, and Auks Fringillidae | Finches Vireonidae | Vireos Parulidae | Warblers Weather Emberizidae | Sparrows 1983-03-01 1983-05-31
Field notes contributed by Mark D. Dixon, summer 1985 Field notes Bird watching Birds--Counting Parulidae | Warblers 1985-06-01 1985-07-31
Field notes contributed by Mark Dixon, spring 1984 Field notes Forms (documents) Bird watching Birds--Counting Citizen science 1984-03-01 1984-05-31
Field notes contributed by Mary Beth Vaughn, winter 1981-1982 Field notes Bird watching Fringillidae | Finches 1981-12-01 1982-02-28