United States Marine Corps, Lieutenant, World War II. "Legislature Faces Problem of Absences: Men in Armed Forces Can't Get Leave to Attend Sessions," 1/1/1943.
Dallas Morning News .
United States Marine Corps, First Lieutenant. "Fain Will Be Fifth Senator in Service," 2/13/1943, p. 8.
Lubbock Morning Avalanche .
Pictured in uniform in 48th Senate composite photo and listed as Lt. Clem Fain.
State Preservation Board .
Biography of Clem F. Fain, Jr., Volume 2, pp. 301-302.
Texas Democracy: a Centennial History of Politics and Personalities of the Democratic Party, 1836-1936 1937.