Gap in publishing between #9 (January 1943) and #10 (November 1950).
After the first sequence of 12 issues, the series numbering starts over with #1 (August 1951), without a gap in publishing, and then after 7 issues of that numbering, starts over again with #3 (July 1953), again without a gap in publishing.
Ceases whole numbering around #54 (January 1961), so further issues are designated by date.