File:JNumberTh.jpg

Summary
Cover of the Journal of Number Theory. Available from the Amazon.com web site: https://www.amazon.com/Journal-of-Number-Theory/dp/B00007B9GP/sr=1-2/qid=1169410891/ref=sr_1_2/002-7489940-0257621?ie=UTF8&s=magazines

Fair use rationale
The copyright belongs to Elsevier press. It is fair use in Journal of Number Theory because the contents of a journal are the valuable part, not the cover. Moreover, the image is too poor in quality for professional reprinting.