Results for "Smithsonian Institution. Assistant Secretary for Science"
Joseph Henry Portrait
- Date: 1879
- Creator: Ulke, Henry
- Creator: Ulke, Henry
Samuel P. Langley
- Date: c. 1855
- Creator: Unknown
- Creator: Unknown
Joseph Henry Portrait
- Date: c. 1840s
- Creator: Unknown
- Creator: Unknown
S. Dillon Ripley
- Date: 1978
- Creator: Hofmeister, Richard K
- Creator: Hofmeister, Richard K
Portrait of Samuel P. Langley
- Date: c. 1900
- Creator: Unknown
- Creator: Unknown
Charles D. Walcott at Grand Canyon
- Date: 1915
- Creator: Unknown
- Creator: Unknown
S. Dillon Ripley on Carousel
- Date: 1977
- Creator: Unknown
- Creator: Unknown
Samuel P. Langley
- Date: 1887
- Creator: Unknown
- Creator: Unknown
Spencer Fullerton Baird
- Date: c. 1850
- Creator: Unknown
- Creator: Unknown
Keetmanshoop, Southwest Africa
- Date: c. 1925
- Creator: Abbot, C. G (Charles Greeley) b. 1872
- Creator: Abbot, C. G (Charles Greeley) b. 1872
Charles Greeley Abbot at Age Eleven
- Date: 1883
- Creator: Unknown
- Creator: Unknown
Charles Doolittle Walcott, Early 1900s
- Date: c. 1900
- Creator: Unknown
- Creator: Unknown
