Results for "Smithsonian Institution. Assistant Secretary for Research"
Secretary Samuel P. Langley
- Date: c. 1895
- Creator: Unknown
- Creator: Unknown
Secretary Langley and His Brother
- Date: c. 1846
- Creator: Unknown
- Creator: Unknown
Secretary Charles D. Walcott
- Date: c. 1903
- Creator: Unknown
- Creator: Unknown
Secretary Charles D. Walcott
- Date: c. 1900
- Creator: Edmonston
- Creator: Edmonston
Secretary Charles D. Walcott
- Date: 1918
- Creator: Unknown
- Creator: Unknown
Secretary Charles G. Abbot
- Date: 1897
- Creator: Unknown
- Creator: Unknown
Secretary Charles Greeley Abbot
- Date: 1890s
- Creator: Unknown
- Creator: Unknown
Alexander Wetmore, Sixth SI Secretary
- Date: 1944
- Creator: Unknown
- Creator: Unknown
Mary Henry, Daughter of Secretary Henry
- Date: c. 1855
- Creator: Unknown
- Creator: Unknown
Secretary Charles D. Walcott as a Young Man
- Date: c. 1870
- Creator: Unknown
- Creator: Unknown
Secretary Charles D. Walcott as a Young Child
- Date: c. 1854
- Creator: Unknown
- Creator: Unknown
Secretary Charles D. Walcott at the Age of twenty-three
- Date: 1873
- Creator: Unknown
- Creator: Unknown
