Category:Author-PD-US-no-notice-old-75

Works in this category are in the public domain in the United States because they were legally published within the United States (or the United Nations Headquarters in New York subject to Section 7 of the United States Headquarters Agreement) between 1929 and 1977 (inclusive) without a copyright notice.

These works may be in the public domain in countries and areas with longer native copyright terms that apply the rule of the shorter term to foreign works.