レヴィーロ・P・オリヴァー
William F. Friedman. Letter: “Dear Dr. Oliver”. 23 June 1952. Internet Archive. — Reply To Mr. Oliver's letter of 11 June 1952 to Mr Friedman Giving Details on two manuscripts Mr. Friedman is interested in obtaining for the AFSA Library.
John Birch Society. Letter: “To Members of the Council of the John Birch Society”. 14 August 1966. — Revilo’s resignation letter to the John Birch Society.