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Page 2 of a letter to Herbert Friedmann from S. Dillon Ripley
- Date: August 29, 1944
- Creator: Ripley, Sidney Dillon 1913-2001
- Creator: Ripley, Sidney Dillon 1913-2001
Roxie Collie S. Laybourne (1910-2003)
- Date: c. 1950s
- Creator: Unknown
- Creator: Unknown
Roxie Laybourne and Doug Deedrick with Microscope
- Date: c. 2000
- Creator: Unknown
- Creator: Unknown
Feather Expert Roxie Laybourne
- Date: 1990
- Creator: Minor-Penland, Laurie
- Creator: Minor-Penland, Laurie
Lunch at 2000 Feet on Cerro Campana, Panama
- Date: 1951
- Creator: Wetmore, Alexander 1886-
- Creator: Wetmore, Alexander 1886-
- SI History Bibliography
Celebration of the Eighty-sixth Anniversary of the Birth of Leonhard Stejneger, 1851-1937
- Date: 1937
Watson M. Perrygo with Drying Bird Skins Collected on a Field Trip to Panama
- Date: April 16, 1947
- Creator: Wetmore, Alexander 1886-
- Creator: Wetmore, Alexander 1886-
Memorandum from Alexander Wetmore to H.W. Dorsey, July 25, 1944
- Date: July 25, 1944
- Creator: Wetmore, Alexander 1886-
- Creator: Wetmore, Alexander 1886-
Accession Memorandum #170221-Donation by S. Dillon Ripley
- Date: May 5, 1945
- Creator: Unknown
- Creator: Unknown
Letter from Alexander Wetmore to S. Dillon Ripley
- Date: May 8, 1945
- Creator: Wetmore, Alexander 1886-
- Creator: Wetmore, Alexander 1886-
Letter from Herbert Friedmann to S. Dillon Ripley
- Date: November 21, 1944
- Creator: Friedmann, Herbert 1900-1987
- Creator: Friedmann, Herbert 1900-1987
Letter from S. Dillon Ripley to Herbert S. Friedmann
- Date: June 5, 1944
- Creator: Ripley, Sidney Dillon 1913-2001
- Creator: Ripley, Sidney Dillon 1913-2001
