1971
January January 1971; 57 (5): 3 - 156	February February 1971; 57 (6): 3 - 106	March March 1971; 57 (7): 3 - 116
April April 1971; 57 (8): 3 - 96	May May 1971; 57 (9): 3 - 98	September September 1971; 58 (1): 5 - 124
October October 1971; 58 (2): 5 - 112	November November 1971; 58 (3): 5 - 120	December December 1971; 58 (4): 5 - 96