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.
Uploaded a work by "Stanislaus Signal". Stanislaus State College, Turlock, California. from [https://thesignal.sfo2.digitaloceanspaces.com/Print_Edition_Archive/1969/1969_Nov_8_5.pdf "Assistant Secretary of State at Stanislaus State College"]. November 19, 1969. Page 1. with UploadWizard