U.S. + Non-U.S. Twins
Kenneth R. Johnson's U.S. / German Twins
Please read Ken's comments HERE
Click the picture and read its web address to determine publisher and printing number. It may be a LONG address, but the publication's number will be all the way at the end (just before the ".jpg")
Note: some of the book covers below were originally contributed to BookScans by Bob Gaines.
All of the "matches" were spotted by Ken Johnson.
Unless they were numbered, magazines are listed year-first. "194909" is: 1949, September
"argosy19381210" was printed: 1938, December 10th
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