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 (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.
Uploaded a work by Winfield Scott Downs, editor. American Historical Company (New York, NY), publisher. from [https://babel.hathitrust.org/cgi/pt?id=mdp.39015059775505&view=1up&seq=841 "Encyclopedia of American Biography"]. 1941. New Series, Volume 12. After page 372. Via HathiTrust. with UploadWizard