A renewal search was done in periodicals for the years 1972 and 1973. There were no listing for either the New York News or New York Sunday News. There's no evidence of renewal for the 1945 issues of 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.