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 ={{en|1=Front cover of Playbill for ''Pipe Dream''. I looked at every page and there were not copyright symbols or assertions.}} |Source =Actual Playbill for ''Pipe Dream'', January 9, 1956 |Author =Playbill,