Results for "African Americans -- Washington (D.C.)"
Charles Lang Freer
- Date: 1916
- Creator: Unknown (Edward Steichen?)
- Creator: Unknown (Edward Steichen?)
Miss Rolfs and José, 1929
- Date: 1929
- Creator: Unknown
- Creator: Unknown
Carbonate Exhibit, Hall of Gems and Minerals, USNM (NMNH)
- Date: 1958
- Creator: Unknown
- Creator: Unknown
Exhibit - Hall of Gems and Minerals, USNM (NMNH)
- Date: 1958
- Creator: Unknown
- Creator: Unknown
Alexander Wetmore on Pearl Islands
- Date: 1940s
- Creator: Perrygo, Watson M. 1906-1984
- Creator: Perrygo, Watson M. 1906-1984
Oxysalt Exhibit, Hall of Gems and Minerals, USNM (NMNH)
- Date: 1958
- Creator: Unknown
- Creator: Unknown
William and Lucile Mann in British Guiana on a collecting trip for the National Zoological Park
- Date: 1931
- Creator: Unknown
- Creator: Unknown
Zinc-Manganese Exhibit, Hall of Gems and Minerals, USNM (NMNH)
- Date: 1958
- Creator: Unknown
- Creator: Unknown
Hall of Gems and Minerals Exhibit, USNM (NMNH)
- Date: 1958
- Creator: Unknown
- Creator: Unknown
Baird's Collecting Policies as Assistant Secretary
- Date: October 11, 1850
Circulars for Natural History Collecting
- Date: April 1, 1855
Typical Sertão, Bello Jardim, Brazil, 1924-25
- Date: 1924-1925
- Creator: Chase, Agnes 1869-1963
- Creator: Chase, Agnes 1869-1963
