Library of Congress. Copyright Office, U.S. Copyright Renewals, 1969 July - December
“ U.S. NAVY DEPT. BUREAU OF NAVAL PERSONNEL. TRAINING DIVISION. Refresher course in fundamental mathematics for basic technical training. SEE UNITED STATES NAVAL INSTITUTE, ANNAPOLIS.U.S. SUPREME COURT. SEE CASES ARGUED AND DECIDED IN THE SUPREME COURT OF THE UNITED STATES. DIGEST OF DECISIONS OF THE SUPREME COURT OF THE UNITED STATES, 1936-1941. ”
