1973
January January 1973; 6 (1): 1 - 58	February February 1973; 6 (2): 60 - 127	March March 1973; 6 (3): 128 - 203
April April 1973; 6 (4): 6 - 68	May May 1973; 6 (5): 278 - 338	June June/July 1973; 6 (6): 342 - 406
October October 1973; 6 (7): 471 - 534	November November 1973; 6 (9): 536 - 599	December December 1973; 6 (10): 600 - 671