The papers of Theodore F. Koop consist of 1.5 linear feet of manuscripts dating from 1940 to 1976, and are arranged alphabetically. His career as a journalist is documented with subject files ranging from his coverage of the Wendell Willkie campaign in 1940, to the Khrushchev interview on Face the Nation in 1957, and the airing of the controversial program The Selling of the Pentagon in 1971. There are also early drafts, correspondence, and reviews of his book about censorship during WWII, Weapon of Silence.