This collection consists of a notebook of Clark S. Thomas, a student at South Dakota State College from 1937 to 1941. The notebook records all of his personal expenses while attending college, as well as expenses while serving in the U.S. Army Air Corps from 1941 to 1945. Entries in the notebook include meals, entertainment, income, and other expenses for clothes, school supplies, etc. Also included are receipts for tuition and fees for Thomas for 1937-1941.