with 1st Ind, TAG to CG, PC Dept, 17 Mar 32, AG 320.2 PC (5-7-31), and Returns, PC Division, all RG 407, NARA.
14 Reports of the Chief of the Militia Bureau, 1925, p. 13, and 1926, pp. 17–18; Memos for Assistant Chief of Staff (ACofS), G-3, 30 Apr 26, 28 Feb 27, and 31 May 27, MB 325.4 Gen-6, War Department Mobilization Plan, 19 Mar 26, Miscellaneous files, DAMH-HSO.
15 Memos for Statistical Section, ACofS G-3, 31 Mar 27 and 2 Jan 30, MB 325.4 Gen 6, DAMH-HSO; Report of the Chief of the Militia Bureau, 1926, Appendix C; Reports of the National Guard Bureau, 1936, p. 7, and 1939, p. 27; also see author's notes "National Guard Interwar Years."
16 Report of the Adjutant General of New Jersey, 1927, p. 7; State of New York, Annual Report of the Adjutant General, 1928, p. 21; Reports of the Chief of the Militia Bureau, 1928, pp. 25–26, and 1929, pp. 14, 22–23; Memos for Statistical Section, ACofS, G-3, 28 Feb 27, 31 Mar 27, and 3 Sep 29, MB 325.4 Gen-6, DAMH-HSO.
17 'Memos for Statistical Section, A CofS, 1 Apr 36, 1 Nov 39, 1 Mar 40, MB 325.4 Gen, DAMH-HSO; John B. Smith, "Our First National Guard Cavalry Division," Cavalry Journal 46 (Sep–Oct 1936): 378–79; "Two More Cavalry Divisions Authorized," Cavalry Journal 48 (Jan–Feb 1939): 67; National Guard Register (1939), p. 15.
18 "Progress of Assignments of Infantry Reserve Officers to Infantry Division of the Organized Reserves," U.S. Army Recruiting News 5 (May 1922): no pagination; Comptroller's Records, US Army Divisions—Infantry and Cavalry Strength, 30 Jun 1928–1931, Reference Paper Files, Army Reserve 1916–1939, DAMH-HSO; Rpt of the Sec of War, 1937, p. 6.
19 War Department Mobilization Plans, 1923, 1924, and 1926, Miscellaneous files, DAMH-HSO; Proceedings of Conference of Corps Area and Division Commanders held at Washington, D.C., June 1927, p. 140, AWC course material 1927, MHI.
20 Ltr, TAG to Chiefs of all War Department Branches and other addresses, 15 Aug 27, sub: Constitution, Reconstitution, or Redesignation of Certain Units of the Regular Army and the Reorganization of Regular Army Divisions, AG Reference files. 320.2 (6-5-27) Misc (Ret), DAMH-HSO.
21 Ibid.
22 Rpt of the Sec of War, 1932, p. 53; Ltr, OCS to CGs of Corps Areas and Depts., 9 Aug 32, sub: Establishment of Field Armies, OCS 20696, Four Army Plan file, 1933, DAMH-HSO.
23 Memo, WPD for CofS, Sub: Four Army Organization, 27 Mar 33, WPD 3561—15, AG 320.2 (8-6-32), Section I–A, RG 407, NARA.
24 Ltr, CofS to CGs of Armies and Corps Area, 18 Aug 33, sub: Development of Four Army Organization, AG 320.2 (8-16-33) (Misc.) M–E (WPD) 3561–27, Four Army Plan file, 1933, Ltr, TAG to CGs all Corps Areas, Departments, and Exempted Stations, 26 Oct 34, sub: Reorganization of Field Artillery, AG 320.1 F.A. (12-26-33), Pub, AG Reference files, DAMH-HSO.
25 T/O, Table 1 W, Infantry Division, 1921; T/O, Table 401 W, Cavalry Division, 1921; Field Service Regulations United States Army (1923), p. 66.
26 Rpt of the Sec of War, 1928, p. 82; WD Cir 29, 1929; Erna Risch, Quartermaster Support of the Army: A History of the Corps 1775–1939 (Washington, D.C.: Government Printing Office, 1962), pp. 717–19; WD Cir 14, 1931.
27 Rpt of the Sec of War, 1934, pp. 40–41, and 1935, p. 7; Ltr, TAG to CGs all Corps Areas, Departments, and Exempted Stations, 26 Oct 34, sub: Reorganization of Field Artillery; Army List and Directory, 20 Oct 1939, pp. 9–10, 15.
28 John S. Shetler, "Motors for the Guard," Quartermaster Review 14 (Mar–Apr 1935): 47–49; National Guard Register (1939), pp. 1422–23.
29 Field Service Regulations (1923), p. 13.
30 J. F. C. Fuller, "Tactics and Mechanization," and "Editorial Comment: Mechanization of Military Forces," Infantry Journal 30 (May 1927): 457–76, 533–35. The entire issue is devoted to mechanization.
31 Timothy K. Nenninger, "The Experimental Mechanized Forces," Armor 78 (May–Jun 1969): 33–39; GO 16, Third Corps Area, 5 Jul 1928, 66th Armor file, DAMH-HSO: Brig Gen
