Results for "African Americans -- Washington (D.C.)"
Brian Mason
- Date: 1975
- Creator: Sandved, Kjell Bloch 1922-
- Creator: Sandved, Kjell Bloch 1922-
Dan Nicolson at Work
- Date: 1979
- Creator: Baggett, Rolfe
- Creator: Baggett, Rolfe
Thomas Cooper, M.D
- Date: 1829
- Creator: Durand, A. B
- Creator: Durand, A. B
William F. Foshag
- Date: c. 1920
- Creator: Unknown
- Creator: Unknown
SAO Scientists on Walkway of HCO's Fifteen Inch Reflector
- Date: 1974
- Creator: Unknown
- Creator: Unknown
Alexander Dallas Bache
- Date: c. 1860s
- Creator: Unknown
- Creator: Unknown
Conservation Analytical Laboratory Research
- Date: 1992
- Creator: Dougherty, Harold E
- Creator: Dougherty, Harold E
Portrait of Dr. Edward R. Foreman (1808-1885)
- Date: 1872 March 12, 1872
- Creator: Goldin, John 1827-
Margaret Moodey & William Foshag
- Date: c. 1926
- Creator: Unknown
- Creator: Unknown
Scientists at the Canal Zone Biological Area
- Date: 1936
- Creator: Unknown
- Creator: Unknown
Mary Jane Rathbun Working with Specimens
- Date: c. 1930s?
- Creator: Unknown
- Creator: Unknown
James Lynch Conducts Research at SERC
- Date: 1986
- Creator: Hofmeister, Richard K
- Creator: Hofmeister, Richard K
