File April 27, 1917-October 26, 1917 Box 35 In: William B. Mershon Papers, 1848-1943 » Paper records » Letterbooks
File October 27, 1917-April 3, 1918 Box 35 In: William B. Mershon Papers, 1848-1943 » Paper records » Letterbooks
File April 4, 1918-November 1, 1918 Box 35 In: William B. Mershon Papers, 1848-1943 » Paper records » Letterbooks
File November 1, 1918-April 1, 1919 Box 36 In: William B. Mershon Papers, 1848-1943 » Paper records » Letterbooks
File April 1, 1919-August 7, 1919 Box 36 In: William B. Mershon Papers, 1848-1943 » Paper records » Letterbooks
File August 8, 1919-December 1, 1919 Box 36 In: William B. Mershon Papers, 1848-1943 » Paper records » Letterbooks
File December 1, 1919-April 27, 1920 Box 36 In: William B. Mershon Papers, 1848-1943 » Paper records » Letterbooks
File April 27, 1920-December 17, 1920 Box 36 In: William B. Mershon Papers, 1848-1943 » Paper records » Letterbooks
File December 17, 1920-May 13, 1921 Box 37 In: William B. Mershon Papers, 1848-1943 » Paper records » Letterbooks
File May 20, 1921-December 7, 1921 Box 37 In: William B. Mershon Papers, 1848-1943 » Paper records » Letterbooks