English: This is a historical picture from a March 22, 1937, edition of the newspaper "El Imparcial" taken during the Ponce Massacre. The Photo, taken by Carlos Torres Morales, a photo journalist for the newspaper El Imparcial, is of the wall where Bolivar Marquez, a Nationalist Cadet wrote "Viva la Republica, Abajo Los Asesinos" meaning "Long Live The Republic! Down With Murderers!" with his blood before he died.
In accordance to the "Copyright Term and the Public Domain in the United States, 1 January 2009" [1] Images published with notice but copyright was not renewed from 1923 through 1963 are public domain due to copyright expiration. "El Imparcial" which went out of service 35 years ago, could not have renewed its copyright which expired. Therefore, since Puerto Rico fell under US copyright in 1937 as well as today, this would make the image public domain.
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.