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|This work is in the public domain because it was published in the United States between 1923 and 1977 inclusive, without a copyright notice. Unless the author has been dead for several years, it is not in the public domain in countries that do not apply the rule of the shorter term for US works. This includes Canada, China (not Hong Kong, Macao, or Taiwan Area), Germany, Mexico, Switzerland, and other countries with individual treaties. See also further explanation.|
This template adds pages to Category:Pre-1978 without copyright notice US public domain images.