A search for renewals was done in periodicals for the years 1975 and 1976 There were no listings for New York Daily News or New York Sunday News--the first "New York" listing is for New York Supplement. There's no evidence of renewal for the newspaper.
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.
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