PLEASE NOTE, there is no copyright claim or notice on the newspaper masthead of the February 7, 1958 edition of the Lubbock Morning Avalanche, in which this image is published on page six.
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.