File January 7, 1938-March 31, 1938 Box 4 In: Wilfred Kaplan papers, 1936-2002 » Personal Correspondence » "Bill to Heidi"
File April 1, 1938-June 24, 1938 Box 4 In: Wilfred Kaplan papers, 1936-2002 » Personal Correspondence » "Bill to Heidi"
File December 31, 1936-July 23, 1937 Box 4 In: Wilfred Kaplan papers, 1936-2002 » Personal Correspondence » "Heidi to Bill"
File July 24, 1937-January 4, 1938 Box 4 In: Wilfred Kaplan papers, 1936-2002 » Personal Correspondence » "Heidi to Bill"
File July 1938-December 1938 Box 4 In: Wilfred Kaplan papers, 1936-2002 » Personal Correspondence » Family Correspondence
File August 1938-December 1938 Box 4 In: Wilfred Kaplan papers, 1936-2002 » Personal Correspondence » Family Correspondence
File January 1939-June 1939 Box 4 In: Wilfred Kaplan papers, 1936-2002 » Personal Correspondence » Family Correspondence
File June 1939-December 1939 Box 4 In: Wilfred Kaplan papers, 1936-2002 » Personal Correspondence » Family Correspondence