Results for "Science"
- Field Book
Nest record cards: L.
- Date: 1999 1999 1999
- Creator: Smithsonian Migratory Bird Center
- Field Book
Nest record cards: HB-Main 91.
- Date: 1991 1991 1991
- Creator: Smithsonian Migratory Bird Center
- Field Book
Nest record cards: BW-95 "HB".
- Date: 1995 1995 1995
- Creator: Smithsonian Migratory Bird Center
- Field Book
Nest record cards: 94-BW-other sites.
- Date: 1994 1994 1994
- Creator: Smithsonian Migratory Bird Center
- Authority Record/EAC
Bartsch, Paul, 1871-1960
- Date: 1871 1961
- Authority Record/EAC
Laybourne, Roxie Collie Simpson
- Date: 1910 2003
- SI History Bibliography
A Passion for Birds - American Ornithology After Audubon
- Date: 1998
- Creator: Barrow, Mark V
- Creator: Barrow, Mark V
- Field Book
Nest record cards: '97 - success.
- Date: 1997 1997 1997
- Creator: Smithsonian Migratory Bird Center
- Field Book
Nest record cards: '98 - success.
- Date: 1998 1998 1998
- Creator: Smithsonian Migratory Bird Center
- Field Book
Nest record cards: '96 - success.
- Date: 1996 1996 1996
- Creator: Smithsonian Migratory Bird Center
- Field Book
Nest record cards: miscellaneous cards.
- Date: 1970, 1975, 1978-1979, 1981-1985, 1987-1988. 1970 1988
- Creator: Smithsonian Migratory Bird Center
- Authority Record/EAC
Cassin, John
- Date: 1813 1868