Results for "Washington (D.C.)"
Hall of Extinct Monsters, National Museum of Natural History, 1930s
- Date: c. 1930
- Creator: Unknown
- Creator: Unknown
Vertebrate Paleontology Hall, USNM
- Date: 1913
- Creator: Unknown
- Creator: Unknown
Henry B. Collins, Jr., in Camp in Alaska, 1929
- Date: 1929
- Creator: Unknown
- Creator: Unknown
Wetmore and Perrygo near Chico, Panama, 1949
- Date: March 30, 1949
- Creator: Unknown
- Creator: Unknown
Graham Bell Fairchild
- Date: c. 1960s
- Creator: Unknown
- Creator: Unknown
Watson M. Perrygo with Snake Specimen
- Date: 1929
- Creator: Unknown
- Creator: Unknown
Papito and Gedón (Armagedón) Hartmann with Secretary Alexander Wetmore
- Date: March 16, 1954
- Creator: Unknown
- Creator: Unknown
Handwritten Note Regarding Ripley's Specimen Box
- Date: April 1945
- Creator: Unknown
- Creator: Unknown
Watson M. Perrygo Working on Bird Specimen
- Date: January 19,1933
- Creator: Unknown
- Creator: Unknown
United States National Museum Entomological Workers, 1905
- Date: c. 1905
- Creator: Unknown
- Creator: Unknown
Accession Memorandum #170221-Donation by S. Dillon Ripley
- Date: May 5, 1945
- Creator: Unknown
- Creator: Unknown
Wetmore and Perrygo in El Valle, Panama
- Date: March 31, 1951
- Creator: Unknown
- Creator: Unknown
