1960
January January; 3 (5): 3 - 35	February February; 3 (6): 3 - 35
March March 1960; 3 (7): 3 - 33	April April 1960; 3 (8): 3 - 35
May May 1960; 3 (9): 3 - 35	June June 1960; 3 (10): 3 - 34
September September; 4 (1): 3 - 39	October October; 4 (2): 2 - 40
November November; 4 (3): 2 - 35	December December; 4 (4): 2 - 39