File:Joe Krupa.jpg WikiZero

Summary

DescriptionJoe Krupa.jpg	English: Photograph of Joe Krupa, Purdue football player
Date	1955
Source	1955 Debris (Purdue University yearbook), page 247
Author	Unknown authorUnknown author
Permission (Reusing this file)	This image is in the public domain, as it was originally published before 1978 without a copyright notice in the 1965 Purdue University yearbook, Debris. No copyright notice appears within this publication. See also: Wikipedia:Public domain#Published works.

This work is in the public domain in the United States because it was published in the United States between 1929 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art.
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.

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