Letters written by Charles Corcoran to his parents Mr. and Mrs. W. P. (Pat) Corcoran of River Falls, Wisconsin, during his World War I military service in the U.S. Army. Stateside letters focus on daily life as well as off-base trips to such cities as Little Rock, New York, and Philadelphia. Overseas correspondence begins on September 18, 1918 while assigned to the American Expeditionary Force in Mehun, France. Letters focus on daily life and impressions of France and England, but recount no combat action.