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 Mary Robinson, circa 1960. from Image taken by Mary West (nee Robinson) c. 1960. Published in the Houston Chronicle August 23, 1983. Direct link [https://archive.org/details/DeanCorllAutopsyReports/page/n39/mode/2up here] with UploadWizard