Shipping Invoice of Field Equipment for S. Dillon Ripley, by United States National Museum, December 18, 1942, Smithsonian Archives - History Div, Shipping invoice from Smithsonian Institution for two boxes of field collection equipment being sent to S. Dillon Ripley, serving with the Office of Strategic Services in Ceylon (now Sri Lanka), upon the recommendation of Dr. Herbert Friedmann, curator of birds, U.S. National Museum..