Group photo of the P.O.U.M. militia, with George Orwell. Orwell's wife, on a visit to the front at the time, is in the picture. Harry David Milton is just behind the barrel of the machine gun, holding a rifle in his hands. March 1937, (Orwell Archive)
Harry Milton's P.O.U.M. militia card, with the words "Antifascist Militias" appearing in Catalan. Catalonia was the stronghold of both the anarchists and the P.O.U.M.
A photo showing international volunteers, probably taken at the P.O.U.M. barracks in Barcelona where Orwell trained in December 1936, before being sent to the front lines. (Stansky collection in the Hoover Archives)