(Original text : Per [1] amongst others, this image lapsed into public domain 28 years after it was published due to the copyright not being renewed. HidingTalk 13:34, 5 June 2007 (UTC))
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 (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.