Title Genres Topics Date (Start) Date (End)
Field notes contributed by Pearl Knoop, spring 1983 Field notes Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1983-03-01 1983-05-31
Field notes contributed by Peter B. Melde, summer 1997 Correspondence Field notes Bird watching Birds--Counting 1997-06-01 1997-07-31
Field notes contributed by Peter C. Petersen, fall 1982 Field notes Forms (documents) Bird watching Birds--Counting Laridae | Gulls and Terns Scolopacidae | Sandpipers, Phalaropes, and allies Parulidae | Warblers 1982-08-01 1982-11-30
Field notes contributed by Peter C. Petersen, fall 1987 Field notes Reports Bird populations Bird watching Birds--Counting Birds--Identification Laridae | Gulls and Terns Scolopacidae | Sandpipers, Phalaropes, and allies Parulidae | Warblers Emberizidae | Sparrows 1987-08-01 1987-11-30
Field notes contributed by Peter C. Petersen, fall 1991 Field notes Bird watching Birds--Counting Birds--Identification Birds--Nests Laridae | Gulls and Terns Scolopacidae | Sandpipers, Phalaropes, and allies Parulidae | Warblers Birds--Infancy 1991-08-01 1991-11-30
Field notes contributed by Peter C. Petersen, fall 1993 Field notes Reports Bird feeders Bird watching Birds--Counting Birds--Identification Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers 1993-08-01 1993-11-30
Field notes contributed by Peter C. Petersen, fall 1995 Field notes Bird watching Birds--Counting Birds--Identification 1995-08-01 1995-11-30
Field notes contributed by Peter C. Petersen, spring 1980 Field notes Forms (documents) Bird banding Bird watching Birds--Counting Birds--Nests Tyrannidae | Flycatchers Scolopacidae | Sandpipers, Phalaropes, and allies Parulidae | Warblers Weather Troglodytidae | Wrens Birds--Feeding and feeds 1980-03-01 1980-05-31
Field notes contributed by Peter C. Petersen, spring 1996 Checklists Field notes Bird watching Birds--Counting Birds--Identification Birdsongs Anseriformes | Ducks, Geese, and Swans Scolopacidae | Sandpipers, Phalaropes, and allies Hirundinidae | Swallows Parulidae | Warblers Emberizidae | Sparrows 1996-03-01 1996-05-31
Field notes contributed by Peter C. Petersen, spring 1997 Field notes Bird watching Birds--Counting Birdsongs Emberizidae | Sparrows 1997-03-01 1997-05-31
Field notes contributed by Peter C. Petersen, summer 1980 Field notes Forms (documents) Bird watching Birds--Counting Birds--Research 1980-06-01 1980-07-31
Field notes contributed by Peter C. Petersen, summer 1987 Field notes Reports Bird watching Birds--Counting Birds--Nests Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Scolopacidae | Sandpipers, Phalaropes, and allies Parulidae | Warblers Emberizidae | Sparrows 1987-06-01 1987-07-31
Field notes contributed by Peter C. Petersen, summer 1988 Field notes Bird watching Birds--Counting Birds--Identification Birdsongs 1988-06-01 1988-07-31
Field notes contributed by Peter C. Petersen, summer 1989 Field notes Forms (documents) Bird populations Bird watching Birds--Behavior Birds--Counting 1989-06-01 1989-07-31
Field notes contributed by Peter C. Petersen, summer 1992 Field notes Reports Bird populations Bird watching Birds--Behavior Birds--Counting Birdsongs 1992-06-01 1992-07-31
Field notes contributed by Peter C. Petersen, summer 1993 Field notes Forms (documents) Bird populations Bird watching Birds--Behavior Birds--Counting 1993-06-01 1993-07-31
Field notes contributed by Peter Ernzen, fall 1996 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Podicipediformes | Grebes Parulidae | Warblers Birds--Infancy 1996-08-01 1996-11-30
Field notes contributed by Peter Ernzen, summer 1997 Field notes Reports Bird watching Birds--Counting Birds--Identification Birdsongs 1997-06-01 1997-07-31
Field notes contributed by Peter P. Wickham, summer 1987 Checklists Field notes Reports Bird watchers Bird watching Birds--Counting 1987-06-01 1987-07-31
Field notes contributed by Philip J. Walsh, fall 1995 Field notes Bird feeders Bird watching Birds--Counting Birds--Identification Birds--Infancy 1995-08-01 1995-11-30
Field notes contributed by Philip J. Walsh, fall 1997 Field notes Reports Bird feeders Bird watching Birds--Counting 1997-08-01 1997-11-30
Field notes contributed by Philip J. Walsh, fall 1998 Field notes Reports Bird watching Birds--Counting 1998-08-01 1998-11-30
Field notes contributed by Philip J. Walsh, spring 1996 Field notes Reports Bird watching Birds--Counting Birds--Identification Anseriformes | Ducks, Geese, and Swans Parulidae | Warblers 1996-03-01 1996-05-31
Field notes contributed by Philip J. Walsh, spring 1997 Field notes Bird watching Birds--Counting Birds--Identification 1997-03-01 1997-05-31
Field notes contributed by Philip J. Walsh, summer 1996 Field notes Bird feeders Bird watching Birds--Counting Birds--Identification 1996-06-01 1996-07-31