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 Office of the Governor of Iowa from Iowa for the Deaf High School Yearbooks (1972-1977)<br>[https://www.classmates.com/siteui/yearbooks/4182829359?page=8&searchTerm=Robert Ray 1972 Iowa for the Deaf High School Yearbook]<br>https://www.classmates.com/siteui/yearbooks/4182829360?page=10&searchTerm=Robert Ray 1973 Iowa for the Deaf High School Yearbook]<br>[https://www.classmates.com/siteui/yearbooks/4182829364?page=10&searchTerm=Robert Ray 1975 Iowa for the Deaf High S...