File December 21, 1917-May 31, 1918 Box 41 In: Chase S. Osborn Papers, circa 1870-1949 (majority within 1889-1949) » Correspondence, 1889-1949
File June-August 1918 Box 42 In: Chase S. Osborn Papers, circa 1870-1949 (majority within 1889-1949) » Correspondence, 1889-1949
File September 1, 1918-June 10, 1919 Box 43 In: Chase S. Osborn Papers, circa 1870-1949 (majority within 1889-1949) » Correspondence, 1889-1949
File July 11-November 30, 1919 Box 44 In: Chase S. Osborn Papers, circa 1870-1949 (majority within 1889-1949) » Correspondence, 1889-1949
File December 1919-March 1920 Box 45 In: Chase S. Osborn Papers, circa 1870-1949 (majority within 1889-1949) » Correspondence, 1889-1949
File April-October 1920 Box 46 In: Chase S. Osborn Papers, circa 1870-1949 (majority within 1889-1949) » Correspondence, 1889-1949
File November 1, 1920-May 10, 1921 Box 47 In: Chase S. Osborn Papers, circa 1870-1949 (majority within 1889-1949) » Correspondence, 1889-1949
File May 11-September 30, 1921 Box 48 In: Chase S. Osborn Papers, circa 1870-1949 (majority within 1889-1949) » Correspondence, 1889-1949
File October 1, 1921-March 15, 1922 Box 49 In: Chase S. Osborn Papers, circa 1870-1949 (majority within 1889-1949) » Correspondence, 1889-1949
File March 16-December 31, 1922 Box 50 In: Chase S. Osborn Papers, circa 1870-1949 (majority within 1889-1949) » Correspondence, 1889-1949