Results for "Twitter"
Las Palmas, Argentina During Secretary Wetmore's Field Work
- Date: July 19, 1920
- Creator: Wetmore, Alexander 1886-
- Creator: Wetmore, Alexander 1886-
Alexander Wetmore at his Work Quarters in Argentina
- Date: August 16, 1920
- Creator: Unknown
- Creator: Unknown
W. M. Perrygo, Antonio Moreno, Helmut Hils, Pantaleón Sánchez and Ospina, 1953
- Date: June 8 1953
- Creator: Wetmore, Alexander 1886-
- Creator: Wetmore, Alexander 1886-
Train in Puerto Pinasco, Paraguay During Wetmore's Field Work
- Date: September 4, 1920
- Creator: Wetmore, Alexander 1886-
- Creator: Wetmore, Alexander 1886-
Alexander Wetmore on Sierra San Xavier in Argentina in 1921
- Date: April 17, 1921
- Creator: Unknown
- Creator: Unknown
Perrygo & Wetmore at Stumpy Point, N.C
- Date: 1939
- Creator: Graf, John E
- Creator: Graf, John E
Alexander Wetmore in Paraguay
- Date: September 25, 1920
- Creator: Hettman, Fred
- Creator: Hettman, Fred
Secretary Wetmore's Camp at Puerto Pinasco, Paraguay
- Date: September 24, 1920
- Creator: Wetmore, Alexander 1886-
- Creator: Wetmore, Alexander 1886-
Wetmore and Perrygo near Chico, Panama, 1949
- Date: March 30, 1949
- Creator: Unknown
- Creator: Unknown
Perrygo in a Boat on the Boca de Río Indio, Colón, Panama
- Date: February 17, 1952
- Creator: Wetmore, Alexander 1886-
- Creator: Wetmore, Alexander 1886-
- SI History Bibliography
A Passion for Birds - American Ornithology After Audubon
- Date: 1998
- Creator: Barrow, Mark V
- Creator: Barrow, Mark V
S. Dillon Ripley in New Guinea
- Date: 1938
- Creator: Unknown
- Creator: Unknown
