1.
Luxembourg Plant Opening
2.
O. A. C. Review Volume LX Issue 4, January 1948
Texas Technological College. Board of Directors Meeting Minutes, 1941.
O. A. C. Review Volume XX Issue 6, March 1908
O. A. C. Review Volume XXXI Issue 12, August 1919
O. A. C. Review Volume XXXII Issue 4, December 1919