Guatemala, 1936 : to conduct ornithological investigations and collect specimens for the USNM. Correspondence, 1936-1937; Correspondents include John Enos Graf, William Wilson Popenoe, and Thomas Barbour
National Geographic Society-Smithsonian Institution Expedition to the Dutch East Indies, 1937. Includes correspondence, souvenirs, and newspaper articles. Includes: Photograph Album, August 1937; and Photograph Album, undated.
Smithsonian Institution Archives, Record Unit 7293, , William M. Mann and Lucile Quarry Mann Papers