til å dela – til å kopiera, distibuera og overføra arbeidet
til å blanda – til å endra verket
På desse vilkåra:
namngjeving – Du lyt godskriva verket på den måten som opphavpersonen eller lisensgjevaren har oppgjeve (men ikkje på ein slik måte at det kan verka som om dei går god for deg eller måten du nyttar verket på).
https://creativecommons.org/licenses/by/2.0CC BY 2.0 Creative Commons Attribution 2.0 truetrue
This work is in the public domain because it was published in the United States between 1929 and 1963, and although there may or may not have been a copyright notice, the copyright was not renewed. For further explanation, see Commons:Hirtle chart and the copyright renewal logs. 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.