File December 1920-June 21, 1921 42 folders Box 9 In: Roy Dikeman Chapin Papers, 1886-1945 (majority within 1910-1936) » Correspondence, 1899-1936
File July 1921-February 24, 1922 38 folders Box 10 In: Roy Dikeman Chapin Papers, 1886-1945 (majority within 1910-1936) » Correspondence, 1899-1936
File February 25, 1922-December 30, 1922 38 folders Box 11 In: Roy Dikeman Chapin Papers, 1886-1945 (majority within 1910-1936) » Correspondence, 1899-1936
File January 1923-January 25, 1924 44 folders Box 12 In: Roy Dikeman Chapin Papers, 1886-1945 (majority within 1910-1936) » Correspondence, 1899-1936
File January 26, 1924-December 5, 1924 42 folders Box 13 In: Roy Dikeman Chapin Papers, 1886-1945 (majority within 1910-1936) » Correspondence, 1899-1936
File December 11, 1924-April 30, 1926 81 folders Box 14 In: Roy Dikeman Chapin Papers, 1886-1945 (majority within 1910-1936) » Correspondence, 1899-1936
File April 30, 1926-April 25, 1927 46 folders Box 15 In: Roy Dikeman Chapin Papers, 1886-1945 (majority within 1910-1936) » Correspondence, 1899-1936
File April 26, 1927-February 10, 1928 44 folders Box 16 In: Roy Dikeman Chapin Papers, 1886-1945 (majority within 1910-1936) » Correspondence, 1899-1936
File February 10, 1928-1928 undated 40 folders Box 17 In: Roy Dikeman Chapin Papers, 1886-1945 (majority within 1910-1936) » Correspondence, 1899-1936
File 1928 undated-August 17, 1929 34 folders Box 18 In: Roy Dikeman Chapin Papers, 1886-1945 (majority within 1910-1936) » Correspondence, 1899-1936