Reproduces documents from among the records of the U.S. Department of State in the custody of the National Archives, College Park, Maryland. Includes a variety of document types, such as background and briefing papers, inter- and intradepartmental memoranda, memoranda of conversations, position papers, minutes of meetings, and copies of telegrams. Covers all aspects of Southeast Asian internal and external affairs and relations between Burma, Indonesia, Malaysia and Singapore, Thailand, and U.S. economic and mutual defense aid missions to Southeast Asia.