Numeration irregularities: Vol. 14 (1947) skips nos. 26-27; Vol. 29 (1962) skips nos. 15-19; Vol. 30 (1963) skips nos. 6, 18-22.
Beginning with volume 23, subscription cards were often included in issue pagination, particularly in volumes 28-30. Two cards were included per issue, one appearing between pages 8 and 20 and a second appearing between page 30 and 45. When available, we have scanned these cards and included them in the full text of the issue. However, given that many were discarded by readers, not all cards could be found and reproduced. Therefore, some issues may seem to lack four pages; these four “missing pages” are, in fact, the discarded subscription cards.