1976
January January; 17 (1): 1 - 297	February February; 17 (2): 299 - 678	March March; 17 (3): 679 - 1068
April April; 18 (1): 1 - 373	May May; 18 (2): 375 - 817	June June; 18 (3): 819 - 1165
July July; 19 (1): 1 - 290	August August; 19 (2): 291 - 764	September September; 19 (3): 765 - 1111
October October; 20 (1): 1 - 354	November November; 20 (2): 355 - 543	December December; 20 (3): 545 - 692