This file includes the following letters:

Keck, David D. 30 January 1934, 27 July 1934, 3 November 1934

Kiener, Walter 19 March 1930

Killip, Ellsworth P. 11 July 1930, 29 September 1930, 18 January 1932, 11 August 1932, 19 August 1932, 23 September 1932, 14 August 1933, 23 September 1933, 3 January 1934, 6 November 1935, 12 August 1936, 26 May 1937, 21 October 1937, 17 July 1938, 4 June 1939, 21 September 1939, 16 February 1940, 19 February 1941, 27 October 1939

Looff, Ethel H. 3 September 1938, 10 November 1938, 3 January 1939, 29 January 1939

Lundell, C. L. 11 May 1938, 6 November 1939

Maguire, Bassett 28 August 1940

Mason, Herbert L. 16 February 1941