Results for "National Science Foundation (U.S.)"
William and Lucy Mann in Liberia
- Date: 1940
- Creator: Unknown
- Creator: Unknown
Dr. Peter Henry Rolfs at Serra da Gamma, Brazil
- Date: 1929
- Creator: Chase, Agnes 1869-1963
- Creator: Chase, Agnes 1869-1963
Demetrio Saladino Watches W. M. Perrygo Wrap a Bird
- Date: February 25, 1952
- Creator: Wetmore, Alexander 1886-
- Creator: Wetmore, Alexander 1886-
Accession Memorandum for "7 Mollusca"
- Date: March 27, 1946
- Creator: Bartsch, Paul
- Creator: Bartsch, Paul
Maria Bandeira on a Trail at Mt. Itatiaia, Brazil
- Date: 1929
- Creator: Chase, Agnes 1869-1963
- Creator: Chase, Agnes 1869-1963
Letter from Sammy Ray to Alexander Wetmore, September 3, 1944
- Date: September 3,1944 20th century
- Creator: Ray, Sammy M (Sammy Mehedy) 1919-
- Creator: Ray, Sammy M (Sammy Mehedy) 1919-
Matthew Stirling, Richard Stewart and Watson M. Perrygo in Panama
- Date: March 20, 1948
- Creator: Wetmore, Alexander 1886-
- Creator: Wetmore, Alexander 1886-
Letter from Charles G. Abbot to Captain G.T. McCourt
- Date: January 25, 1919 20th century
- Creator: Abbot, C. G (Charles Greeley) b. 1872
- Creator: Abbot, C. G (Charles Greeley) b. 1872
Watson M. Perrygo and Alexander Wetmore
- Date: March 14, 1952
- Creator: Unknown
- Creator: Unknown
Watson M. Perrygo on a Field Collecting Trip to Panama
- Date: April 11, 1947
- Creator: Unknown
- Creator: Unknown
View of Waterfall in Brazil, by Mary Agnes Chase
- Date: 1929
- Creator: Chase, Agnes 1869-1963
- Creator: Chase, Agnes 1869-1963
Letter from Herbert Friedmann to S. Dillon Ripley, page 1
- Date: April 17, 1944
- Creator: Friedmann, Herbert 1900-1987
- Creator: Friedmann, Herbert 1900-1987
