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=Rock band Angel |Source= https://www.worldradiohistory.com/hd2/IDX-Business/Music/Archive-Cash-Box-IDX/70s/1977/CB-1977-11-19-OCR-Page-0011.pdf Cashbox, page 11, Nov 19, 1977 |Date=1977 |Author=Casablanca Records |Permission=* The ad appeared in the 19 November 1977 issue of ''Cashbox'' and can be dated from that publication.<br/> * There are no copyright markings as can be seen at the full view link.<br/> * The ad is not covered by any copyrights for ''Cashbox''. |...