Results for "Smithsonian Institution. Environmental Sciences Program"
Joseph Henry Seated in a Chair
- Date: 1870s
- Creator: Unknown
- Creator: Unknown
Secretary Charles D. Walcott
- Date: c. 1903
- Creator: Unknown
- Creator: Unknown
S. Dillon Ripley on Carousel
- Date: 1977
- Creator: Unknown
- Creator: Unknown
James Smithson Bicentennial Celebration
- Date: 1965
- Creator: Unknown
- Creator: Unknown
Secretary Charles G. Abbot
- Date: 1897
- Creator: Unknown
- Creator: Unknown
Portrait of Samuel P. Langley
- Date: c. 1900
- Creator: Unknown
- Creator: Unknown
Charles Doolittle Walcott, 1922
- Date: 1922
- Creator: Unknown
- Creator: Unknown
Secretary Charles D. Walcott
- Creator: Unknown
- Creator: Unknown
Secretary Langley with Family and Friends
- Creator: Unknown
- Creator: Unknown
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 Greeley Abbot
- Date: 1890s
- Creator: Unknown
- Creator: Unknown
