SZT5183097: Republican soldiers fighting for the Alcazar of Toledo, 1936 / Bridgeman Images

SZT5183127: Republican steamer lands in Porto Cristo, Mallorca, 1936 / Bridgeman Images

SZT5183096: British soldier in Palestine / Bridgeman Images

SZT5183214: Republican fighters carry a wounded, 1939 / Bridgeman Images

SZT5183120: Republican soldiers marching towards the Alcazar of Toledo, 1936 / Bridgeman Images

SZT5183206: Republican refugees camp behind the French border, 1939 / Bridgeman Images

SZT5183147: Killed horse after a bomb attack in Spain, 1936 / Bridgeman Images

SZT5183269: Opening of the Munich-Oberwiesenfeld airport, 1929 / Bridgeman Images

SZT5183180: Airfield of the Condor Legion, Spain, 1939 / Bridgeman Images

SZT5183189: Evacuation of Republican soldiers in the Port of Gijon, 1937 / Bridgeman Images

SZT5183249: Upper class in Spain, 1934 / Bridgeman Images

SZT5183267: Hugo Count of Lerchenberg in Munich-Oberwiesenfeld, 1925 / Bridgeman Images

SZT5182158: Mercedes Benz Type 290, 1933 / Bridgeman Images

SZT5182165: Mercedes-Benz Type 200 (W21), 1933 / Bridgeman Images

SZT5182177: Mercedes Heckmotorwagen 170H (W28), 1936 / Bridgeman Images

SZT5182201: Mercedes Type 500 Kompressor, 1934 / Bridgeman Images

SZT5182204: Opel 4 PS "Laubfrosch", 1928 / Bridgeman Images

SZT5182473: Nash Twin Ignition Six, 1929 / Bridgeman Images

SZT5182516: Rolls Royce Phantom, 1929 / Bridgeman Images

SZT5182517: Officer candidates in the Spanish Civil War, Spain, 1936-39 / Bridgeman Images

SZT5182529: Command post of the Condor Legion at Toledo, 1939 / Bridgeman Images

SZT5182588: Transport of the wounded at the Condor Legion, Spain, 1936-39 / Bridgeman Images

SZT5182557: Anti-aircraft unit of the Condor Legion in Spain, 1939 / Bridgeman Images

SZT5182601: Parade of the Condor Legion in Burgos, Spain, 1939 / Bridgeman Images

SZT5182655: State ceremony for the Condor Legion in the Lustgarten (Pleasure Garden), Berlin, 1939 / Bridgeman Images

SZT5182712: Steam powered threshing machine, around 1850 / Bridgeman Images

SZT5182810: English tricycle, 1910 / Bridgeman Images

SZT5182840: Refueling of an Iberia aircraft in Salamanca, 1939 / Bridgeman Images

SZT5182839: Airplane of Iberia in Salamanca, 1939 / Bridgeman Images

SZT5182879: Commemoration of Italian victims of the Spanish Civil War in Rome, 1937 / Bridgeman Images

SZT5182932: Portrait of a Spanish national soldier in Oviedo, 1938 / Bridgeman Images

SZT5182938: Spanish national raid after the conquest of Irun in the Basque country, 1936 / Bridgeman Images

SZT5182835: View from the airport in Salamanca, 1939 / Bridgeman Images

SZT5182927: Slaby-Beringer electric car, 1919 / Bridgeman Images

SZT5183009: Fighters of the workers' militia examine a garrison in Madrid, 1936 / Bridgeman Images

SZT5183077: Soldiers of the Guardia Civil, 1936 / Bridgeman Images