This work is in the public domain in the United States because it was published in the United States between 1929 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art. 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.
The author died in 1994, so this work is also in the public domain in jurisdictions where the copyright term is the author's life plus 25 years or less. This work may also be in the public domain in countries and areas with longer native copyright terms that apply the rule of the shorter term to foreign works.
Ten plik, opublikowany pierwotnie w serwisie Flickr przez Tulip Hysteria / Go to albums pod adresem https://flickr.com/photos/36417567@N03/31837482047, został sprawdzony 25 listopada 2020 przez FlickreviewR 2, który potwierdził, że jest on tam dostępny na licencji Public Domain Mark.
25 listopada 2020
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