File August 19, 1929-March 23, 1930 40 folders Box 19 In: Roy Dikeman Chapin Papers, 1886-1945 (majority within 1910-1936) » Correspondence, 1899-1936
File March 24, 1930-February 10, 1931 39 folders Box 20 In: Roy Dikeman Chapin Papers, 1886-1945 (majority within 1910-1936) » Correspondence, 1899-1936
File February 11, 1931-March 9, 1932 43 folders Box 21 In: Roy Dikeman Chapin Papers, 1886-1945 (majority within 1910-1936) » Correspondence, 1899-1936
File March 10, 1932-August 9, 1932 28 folders Box 22 In: Roy Dikeman Chapin Papers, 1886-1945 (majority within 1910-1936) » Correspondence, 1899-1936
File August 10, 1932-October 10, 1932 32 folders Box 23 In: Roy Dikeman Chapin Papers, 1886-1945 (majority within 1910-1936) » Correspondence, 1899-1936
File October 11, 1932-1932 undated 32 folders Box 24 In: Roy Dikeman Chapin Papers, 1886-1945 (majority within 1910-1936) » Correspondence, 1899-1936
File 1932 undated-May 31, 1933 34 folders Box 25 In: Roy Dikeman Chapin Papers, 1886-1945 (majority within 1910-1936) » Correspondence, 1899-1936
File June 1, 1933-December 31, 1933 36 folders Box 26 In: Roy Dikeman Chapin Papers, 1886-1945 (majority within 1910-1936) » Correspondence, 1899-1936
File 1933 undated-August 31, 1934 33 folders Box 27 In: Roy Dikeman Chapin Papers, 1886-1945 (majority within 1910-1936) » Correspondence, 1899-1936
File September 1934-December 1935 35 folders Box 28 In: Roy Dikeman Chapin Papers, 1886-1945 (majority within 1910-1936) » Correspondence, 1899-1936