Letters written by Clark Bruster, Fort Riley, Kansas, to his family in Waverly, New York. The detailed letters were written while he was training at Fort Riley. Bruster enlisted in the U. S. Army, was initially a member of the 9th Recruit Company, and later he was part of Artillery Battery A. The collection contains two postcards, one showing a Cavalry cantonment and the second, an Artillery Battery marching at Fort Riley.