1977
January January; 100 (1): 1 - 253	February February; 100 (2): 263 - 607	March March; 100 (3): 613 - 895
April April; 100 (4): 903 - 1230	May May; 100 (5): 1233 - 1478	June June; 100 (6): 1483 - 1730
July July; 101 (1): 1 - 314	August August; 101 (2): 331 - 642	September September; 101 (3): 651 - 987
October October; 101 (4): 997 - 1345	November November; 101 (5): 1351 - 1651	December December; 101 (6): 1657 - 1901