"Venció Al Fascismo En 24 Horas." Conquer Fascism in 24 Hours. Poster has two photographs, one of men fighting from behind a horse barricade, and the other of citizens walking with rifles.
The Spanish Civil War: Foreign Intervention and the American Reaction
McMaster University Libraries
Copyright, public domain: McMaster University owns the rights to the archival copy of the digital image in TIFF format.