1959
January January; 19 (1): 1 - 178	February February; 19 (2): 179 - 280	March March; 19 (3): 281 - 392
April April; 19 (4): 393 - 508	May May; 19 (5): 509 - 620	June June; 19 (6): 621 - 742
July July; 19 (7): 743 - 874	August August; 19 (8): 875 - 1022	September September; 19 (9): 1023 - 1184
October October; 19 (10): 1185 - 1368	November November; 19 (11): 1369 - 1522	December December; 19 (12): 1523 - 1738