The Captured North Korean Documents is in the custody of Record Group 242, National Archives Collection of Foreign Records Seized, the National Archives and Records Administration (NARA). The first batch of files which was declassified and open to the public in 1977 is known as so-called “The Old Captured Korean Documents” while in the early 1990s the second batch of files was released and known as “The New Captured Korean Documents” to the researchers. The Captured North Korean Documents were captured in Korea peninsular during the Korean War. It was translated into English and cataloged by the Korean elites such as Oh Chon-suk, minister of education of the U. S. Military Government in Korea, and Chang Ri-wook, president of Seoul National University who studied in the U. S. The important documents of “The New Captured Korean Documents” were selectively chosen and translated in the Enemy Documents series of the Allied Translator and Interpreter Section (ATIS), the Military Intelligence Service, Far Eastern Command. The structure of “Captured North Korean Documents” is very complicated and it is required for researchers to read the finding aids and descriptions in the National Institute of Korean Studies and the National Library of Korea.