1977
January January 1977; 6 (1): 1 - 24	February February 1977; 6 (2): 3 - 24	March March 1977; 6 (3): 1 - 17
April April 1977; 6 (4): 3 - 24	May May 1977; 6 (5): 1 - C-8	June June 1977; 6 (6): 1 - 24
July July-August 1977; 6 (7): 1 - 28	September September 1977; 6 (8): 3 - 24	October October 1977; 6 (9): 1 - 22
November November 1977; 6 (10): 2 - 22	December December 1977; 6 (11): 1 - 22