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.
{{Information |Description=Door County Age Distribution, 1930 1960 |Source=https://www.google.com/books/edition/Door_County/soYr0dwaLFkC?hl=en&gbpv=1 , page 28 |Date=1964 |Author=Door County Board of Supervisors Comprehensive Planning Program, assisted by the Wisconsin Department of Resource Development |Permission= |other_versions= }} Category:Door County, Wisconsin