Hollywood, 20 July 1939 - Institutional correspondence Marcelene Peterson's letter to Evelyn Ahrend, dated 20 July 1939
Hollywood, 2 September 1939 - Institutional correspondence Marcelene Peterson's letter to Evelyn Ahrend, dated 2 September 1939
Hollywood, 10 November 1939 - Institutional correspondence Marcelene Peterson's letter to Herman F. Reissig
<em>The New York Times</em>, New York, June 13, 1971, 1 - Article “Vietnam Archive: Pentagon Study Traces 3 Decades of Growing U.S. Involvement”