English: Labor Defender magazine, cover of December 1926 issue.; Monthly publication of International Labor Defense, New York and Chicago.
Source
Scanned for Wikipedia by Marty Goodman; additional digital editing by Tim Davenport ("Carrite"), no copyright claimed for the work, released to the public domain without restriction.
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.