1. Excerpt from Fred Soper's diary Publication: Produced: [13-20 June 1939] Subject(s): Financial SupportMosquito ControlMaps as TopicOrganization and Administration Archival Collection: The Fred L. Soper Papers (Profiles in Science)
2. Conventional signs, military symbols, and abbreviations Author(s): United States. War Department, author. Publication: Washington : U.S. Government Printing Office, October 1943 Subject(s): Abbreviations as TopicMaps as TopicMilitary ScienceUnited States