National Archives and Records Administration
Card Index File for Judge Advocate General, U. S. Army, Wanted War Criminals List, "Crow-cass List No. 1" RG 153.
Files of the Foreign Office Branch II FM—Military Attache, Washington, January 1933-April 1936, Microcopy T-120, Serial 5863.
Files of Foreign Office Section POL XIII, United States—Military Affairs, May 1927-February 1935, Microcopy T-120, Serial K1848.
Files of the State Secretary, U. S. A. in the Foreign Office, 1933-1941, Microcopy T-120, Serials 19, 35, 64, 84, 589, 593, 987, 1527, 1543, 1857, B21, M342.
General Records of the Department of State, Central Decimal File, RG 59.
OKH, General Staff of the Army Files, Records of the Attache Section, Oberquartiermeister IV Files. Messages to Attaches abroad, Microcopy T-78, Serial H27.
OKW File "Military Attache Washington 1. 4. 34.-20. 3. 35," Microcopy T-77, Serial 904 (Overlaps with T-120, Serial 5863).
OKW File "Wehrwirtschaft" series, Microcopy T-77, Serials 979, 980.
OKW Files, Military and Naval Attaches from 1 January 1933-December 1938, Microcopy T-77, Serial 874.
OKW Files, Records of Military Attache Conferences, 1934, Microcopy T - 77, Serial 902.
OKW Section for Wehrmacht Propaganda Files, Microcopy T-77, Serials 1029, 1030.
Personalnachweis von Boetticher, Friedrich, A3365 German Army Officers' 201 Files, Period 1900-1945, RG 242 Captured German Records, TAGO Film Project, Reel 61.
Records of the Department of State, General Records, 1940-1944, RG 84.
Records of the U. S. Department of State Interrogation Mission (Dewitt C. Poole Mission), 1945-1946. Microcopy M679, 3 rolls, Interrogation records of Friedrich von Boetticher, Hans Borchers, Ulrich v. Gienanth, Erich Kordt, Friedrich v. Prittwitz u. Gaffron, Herib-ert von Strempel, and Hans Thomsen.
Records of the War Department General Staff, G-2 Military Intelligence Division) Foreign Liaison Branch, "Attache, Military, German in Washington" (Synoptic Index and Associated files). Record Group 165. These materials also contain the Federal Bureau of Investigation sources cited in this study.
Specially produced microfilm of General von Boetticher's Cables from January 1936 to September 1939, Army files H27/48, Courtesy of the Bundesarchiv-Militararchiv, Freiburg im Breisgau. 1973. 277 frames. Documentation refers to this collection as "BA/MA German film."
Testimony of Friedrich von Boetticher, taken at Nurnberg, Germany, on 12 October 1945, 1430-1545, by Col. Howard A. Brundage, JAGD, OUSCG, typescript.
U. S. Army, Records of the Investigative Records Repository, Dossier, Boetticher Friedrich, XEOO8222; Auswertestelle Oberursel, [personal name files] Box 23A, Army Investigative Records Repository [IRR] Files, RG 319, National Archives and Records Administration, College Park, Maryland.
U. S. Army Military History Institute, Carlisle Barracks, Pennsylvania
"A Compilation of Correspondence on the Representation of the American Army in the Reichsarchiv, 1920-1940," File No. 2444, [Col. R. S.] Thomas Files.
Davis, Col. Edward, USA, "Military Attache," typescript manuscript, (1933), 603 leaves.
Sorley, Col. Lewis. "Some Recollections," [1957], 156 leaves, Lewis Stone Sorley Papers.
Other
J. Ambler Johnston Papers, Battle Abbey, Richmond, Virginia
Peter Riedel Estate Files, courtesy of Mr. Paul Hanak, Fort Worth, Texas. File material and photographs from Riedel's career. This material has been deposited under Riedel's name at the Library and Archives Collection, National Air and Space Museum, Washington, D. C.
Peter Riedel file, CR-385000-01, Archives File, Library and Archives Division, National Air and Space Museum, Washington, D. C.
Records of the American Military Institute, Correspondence, Planning Papers for Joint American Historical Association—American Military Institute Joint Session at the AHA
Convention, December 1935, at Chattanooga, Tenn. AMI Files, Industrial College of the Armed Forces Library, Washington, D. C.
Walter Krueger Papers, U. S. Military Academy Archives.
Bundesarchiv/Militararchiv
Nachlass, Friedrich v. Boetticher, N-323, Bundesarchiv-Militararchiv, Freiburg im Breisgau. Individual files found in this material are cited as appropriate in notes.
Nachlass Groener, Wilhelm, N46/76, "Kriegsgeschichte, Briefe und Material, 1905-1929" [finished drafts of two papers circulated by v. Boetticher].
Nachlass [Hans v.] Seeckt, N247/203, Heft 1, 1920 [typewritten drafts of three papers written and circulated by v. Boetticher in 1920].
Nachlasse [Wilhelm] v. Schleicher, N42/33, Bd. I, 1924-30, Budesarchiv/Militararchiv, Freiburg im Breisgau.
Freedom of Information Act (FOIA) Files
Federal Bureau of Investigation [Clarence M. Kelley, Director], April 14, 1976, releasing FBI correspondence files in MID 2801-1054, in War Department Military Intelligence Division files in the National Archives and Records Administration.
Federal Bureau of Investigation file 269834 on Friedrich von Boetticher, created for Dr. Alfred M. Beck, March 14, 1988 [author's files].
Federal Bureau of Investigation file 340074 on Peter Ernst Riedel, created for Dr. Von Hardesty, May 10, 1991 [copy in author's files].