Results for "Update"
W. M. Perrygo, Antonio Moreno, Helmut Hils, Pantaleón Sánchez and Ospina, 1953
- Date: June 8 1953
- 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
- SI History Bibliography
A Passion for Birds - American Ornithology After Audubon
- Date: 1998
- Creator: Barrow, Mark V
- Creator: Barrow, Mark V
SAO Staff, 1941
- Date: 1941
- Creator: Johnston, Earl S
- Creator: Johnston, Earl S
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
Watson M. Perrygo and Alexander Wetmore
- Date: March 14, 1952
- 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-
Alexander Wetmore in Darien, Panama
- Date: March 30, 1947
- Creator: Perrygo, Watson M. 1906-1984
- Creator: Perrygo, Watson M. 1906-1984
Preparations for Solar Broadcast
- Date: September 30, 1936
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
Letter from Herbert G. Deignan to Alexander Wetmore, December 7,1944
- Date: December 7, 1944
- Creator: Deignan, H. G (Herbert Girton) 1906-
- Creator: Deignan, H. G (Herbert Girton) 1906-
