|First issue||April 1960|
|Final issue||October 1974|
They were issued on legal size paper and ran around 6 pages. Some were only printed on one side, some printed on both sides.
It was originally printed on pink colored stock. A subsequent demand for copies of number 1 necessitated a re-print, but the stock of pink paper had run out, so the re-run was made on white paper. Thus a copy of number 1 on white paper indicates that it is a "second edition".