Results for "Physics"
W. Donald Duckworth
- Date: 1975
- Creator: Sandved, Kjell Bloch 1922-
- Creator: Sandved, Kjell Bloch 1922-
W. Donald Duckworth
- Date: 1975
- Creator: Sandved, Kjell Bloch 1922-
- Creator: Sandved, Kjell Bloch 1922-
J. F. Gates Clarke and Waldo LaSalle Schmitt
- Date: 1956
- Creator: Unknown
- Creator: Unknown
Workers on Barro Colorado Island, Panama
- Date: 1924
- Creator: Unknown
- Creator: Unknown
Title Page for USDA "Memorandum of Expenses" Log
- Date: January-February 1911
- Creator: Schwarz, Eugene Amandus 1844-1928
- Creator: Schwarz, Eugene Amandus 1844-1928
Entry from Eugene A. Schwarz's Travel Log
- Date: January, 1911
- Creator: Schwarz, Eugene Amandus 1844-1928
- Creator: Schwarz, Eugene Amandus 1844-1928
W. Donald Duckworth
- Date: 1975
- Creator: Sandved, Kjell Bloch 1922-
- Creator: Sandved, Kjell Bloch 1922-
W. Donald Duckworth
- Date: 1975
- Creator: Sandved, Kjell Bloch 1922-
- Creator: Sandved, Kjell Bloch 1922-
J. F. Gates Clarke with Butterfly Collection
- Date: 1970
- Creator: Robinson, Albert J
- Creator: Robinson, Albert J
Biographical File, 1860-1973 and undated
- Date: 1860 1860-1973 1860-1973 and undated
- Creator: National Museum of Natural History (U.S.) Division of Mammals
Correspondence, circa 1948-1998
- Date: 1948 1948-1998 circa 1948-1998
- Creator: National Museum of Natural History (U.S.) Department of Entomology
Expense Page from USDA Memorandum of Traveling Expenses
- Date: January 21, 1911
- Creator: Schwarz, Eugene Amandus 1844-1928
- Creator: Schwarz, Eugene Amandus 1844-1928
