Results for "Smithsonian Institution. Assistant Secretary for Science"
- Online Publications
Joseph Henry's Letter to Ephraim George Squier (April 24, 1849)
- Date: April 24, 1849
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
Mary Vaux Walcott
- Date: 1920
- Online Publications
Joseph Henry's Letter to Edward Sabine (May 12, 1853)
- Date: May 12, 1853
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
Alexander Wetmore Examining a Bird in Parita, Panama
- Date: February 29, 1948
- Creator: Perrygo, Watson M. 1906-1984
- Creator: Perrygo, Watson M. 1906-1984
- Online Publications
Joseph Henry's Letter to J. H. Lefroy (November 9, 1853)
- Date: November 9, 1853
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
Wetmore and Perrygo near Chico, Panama, 1949
- Date: March 30, 1949
- Creator: Unknown
- Creator: Unknown
Alexander Wetmore in Paraguay
- Date: September 25, 1920
- Creator: Hettman, Fred
- Creator: Hettman, Fred
Alexander Wetmore on Sierra San Xavier in Argentina in 1921
- Date: April 17, 1921
- Creator: Unknown
- Creator: Unknown
Alexander Wetmore in Darien, Panama
- Date: March 30, 1947
- Creator: Perrygo, Watson M. 1906-1984
- Creator: Perrygo, Watson M. 1906-1984
Wetmore and Perrygo in El Valle, Panama
- Date: March 31, 1951
- Creator: Unknown
- Creator: Unknown
M. Moynihan & A.S. Rand in Colombia
- Date: 1969
- Creator: Smith, Neal Griffith 1937-
- Creator: Smith, Neal Griffith 1937-
- SI History Chronology
Joseph Henry Requests Equipment from England for Pacific Railroad Surveys
- Date: May 12, 1853
