File January 1923-June 1924 Box 18 In: William B. Mershon Papers, 1848-1943 » Paper records » Papers - Chronological
File July 1924-March 1926 Box 19 In: William B. Mershon Papers, 1848-1943 » Paper records » Papers - Chronological
File April 1926-February 1928 Box 20 In: William B. Mershon Papers, 1848-1943 » Paper records » Papers - Chronological
File March 1928-February 1930 Box 21 In: William B. Mershon Papers, 1848-1943 » Paper records » Papers - Chronological
File March 1930-September 1932 Box 22 In: William B. Mershon Papers, 1848-1943 » Paper records » Papers - Chronological
File October 1932-September 1936 Box 23 In: William B. Mershon Papers, 1848-1943 » Paper records » Papers - Chronological
File October 1936-May 1939 Box 24 In: William B. Mershon Papers, 1848-1943 » Paper records » Papers - Chronological
File June 1939-December 1941 Box 25 In: William B. Mershon Papers, 1848-1943 » Paper records » Papers - Chronological
File January 1942-December 1943 Box 26 In: William B. Mershon Papers, 1848-1943 » Paper records » Papers - Chronological
File Income tax materials, 1918-1942 Box 26 In: William B. Mershon Papers, 1848-1943 » Paper records » Papers - Chronological