Results for "Smithsonian Institution. Assistant Secretary for Science"
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
Letter from Herbert Friedmann to S. Dillon Ripley
- Date: November 21, 1944
- Creator: Friedmann, Herbert 1900-1987
- Creator: Friedmann, Herbert 1900-1987
Letter from Herbert Friedmann to S. Dillon Ripley
- Date: June 16, 1944
- Creator: Friedmann, Herbert 1900-1987
- Creator: Friedmann, Herbert 1900-1987
Letter from S. Dillon Ripley to Herbert S. Friedmann
- Date: December 13, 1943
- Creator: Ripley, Sidney Dillon 1913-2001
- Creator: Ripley, Sidney Dillon 1913-2001
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
Letter from Herbert Friedmann to S. Dillon Ripley
- Date: October 23, 1943
- Creator: Friedmann, Herbert 1900-1987
- Creator: Friedmann, Herbert 1900-1987
Page 1 of a Letter from S. Dillon Ripley to Herbert S. Friedmann
- Date: January 3, 1944
- Creator: Ripley, Sidney Dillon 1913-2001
- Creator: Ripley, Sidney Dillon 1913-2001
Page 2 of a Letter from S. Dillon Ripley to Herbert S. Friedmann
- Date: December 13, 1943
- Creator: Ripley, Sidney Dillon 1913-2001
- Creator: Ripley, Sidney Dillon 1913-2001
Page 2 of a Letter from S. Dillon Ripley to Herbert Friedmann
- Date: October 7, 1944
- Creator: Ripley, Sidney Dillon 1913-2001
- Creator: Ripley, Sidney Dillon 1913-2001
Robert Ridgway's Drawing of a Robin
- Date: c. 1900
- Creator: Ridgway, Robert 1850-1929
- Creator: Ridgway, Robert 1850-1929
Robert Ridgway's Drawing of a Junco
- Date: c. 1900
- Creator: Ridgway, Robert 1850-1929
- Creator: Ridgway, Robert 1850-1929
Perrygo Displaying a Frigate Bird to Children
- Date: March 16, 1948
- Creator: Wetmore, Alexander 1886-
- Creator: Wetmore, Alexander 1886-
