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Ez a fájl kivágás egy másik képből : WCFL Sound 10 survey October 1966 Beatles Jim Stagg.jpg

Ez a fájl kivágás egy másik képből : WCFL Sound 10 survey October 1966 Beatles Jim Stagg (cropped).jpg

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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. العربية ∙ беларуская (тарашкевіца) ∙ čeština ∙ Deutsch ∙ Ελληνικά ∙ English ∙ español ∙ français ∙ Bahasa Indonesia ∙ italiano ∙ 日本語 ∙ 한국어 ∙ македонски ∙ Nederlands ∙ português ∙ русский ∙ sicilianu ∙ slovenščina ∙ ไทย ∙ Tiếng Việt ∙ 中文（简体） ∙ 中文（繁體） ∙ +/−

After researching this and some of the other Sound 10 Surveys and promotional photos given to listeners, I found that WCFL and/or the Chicago Federation of Labor did not mark any of this material with any type of copyright mark or other notification.

• There are no copyright marks or statements on either side of this survey. What is seen on the other side of it at the lower right is a mark indicating that the material was printed by union printers. (This would be in keeping with a radio station owned and operated by a union.) WCFL AM was sold by the Chicago Federation of Labor in 1978. The call letters disappeared from AM Radio in 1987.

• The item can be dated by the information on the other side of the survey at the link above, "Week ending October 6, 1966".
• Copyright searches were done on the following:

Chicago Federation of Labor-no results

WCFL-two results for books written about the radio station by non-employees.

• There is no evidence that a copyright is claimed on this material.