SZT5182504: Anti-aircraft unit of the Condor Legion in Spain, March 1939 / Bridgeman Images

SZT5182507: Anti-aircraft battery of the Condor Legion having a rest, Spain, 1939 / Bridgeman Images

SZT5182510: Major General von Richthofen in the Spanish Civil War, 1939 / Bridgeman Images

SZT5182537: Anti-aircraft unit of the Condor Legion in Spain, 1939 / Bridgeman Images

SZT5182558: Making of flags at the Condor Legion in Spain, 1939 / Bridgeman Images

SZT5182561: Officers' meeting of the Condor Legion, Spain, 1939 / Bridgeman Images

SZT5182567: Command post of the Condor Legion, Spain, 1936-39 / Bridgeman Images

SZT5182639: Parade of the Condor Legion in Berlin, 1939 / Bridgeman Images

SZT5182209: Opel 1 litre, 1933 / Bridgeman Images

SZT5182212: Opel 6, 1933 / Bridgeman Images

SZT5182687: Fowler's road locomotive, 1901 / Bridgeman Images

SZT5182693: Steam car 1850 / Bridgeman Images

SZT5182760: Return of the Condor Legion across Borkum, 1939 / Bridgeman Images

SZT5182781: Destroyed cars in Seville, 1936 / Bridgeman Images

SZT5182784: Cyclecar, 1930 / Bridgeman Images

SZT5182805: Arrested Spanish national soldiers are lead away, Zaragoza, 1936 / Bridgeman Images

SZT5182844: Arrested Communist unit, 1936 / Bridgeman Images

SZT5182975: Spanish national soldiers at Christmas dinner at the Teruel Front, 1938 / Bridgeman Images

SZT5182978: Address of General Francisco Franco on Columbus Day in Burgos, 1937 / Bridgeman Images

SZT5182883: Return of Italian soldiers from Spain to Naples, 1938 / Bridgeman Images

SZT5182755: Field kitchen, 1910 / Bridgeman Images

SZT5182773: Fighters of the Condor Legion in Doeberitz near Berlin, 1939 / Bridgeman Images

SZT5182776: Torpedo car, 1912 / Bridgeman Images

SZT5182901: Residents welcome Spanish national troops of the Condor Legion in Vigo, 1936 / Bridgeman Images

SZT5182836: Airplane of Iberia in Salamanca, 1939 / Bridgeman Images

SZT5182845: The Gregoire motor home, 1912 / Bridgeman Images

SZT5182869: Demonstration for refugees of the Spanish Civil War in New York, 1940 / Bridgeman Images

SZT5182982: Residents receive the invading Franco's troops in Castellon, 1938 / Bridgeman Images

SZT5182896: Spanish national advertisement poster for the entry into a volunteer battalion, 1936 / Bridgeman Images

SZT5183006: Spanish national artillery unit in Madrid, 1937 / Bridgeman Images

SZT5183012: Destroyed buildings in Madrid, 1939 / Bridgeman Images

SZT5181093: Generals of the Wehrmacht at the beginning of the Russian campaign, 1941, German Photographer, (20th Century) / Bridgeman Images

SZT5181370: German dispatch rider on a route of advance in France, 1940, German Photographer, (20th Century) / Bridgeman Images

SZT5181354: German infantry on the march in France, 1940, German Photographer, (20th Century) / Bridgeman Images

SZT5181360: German infantry during the advance in France, 1940, German Photographer, (20th Century) / Bridgeman Images

SZT5181363: A German military band marches through a French town, 1940, German Photographer, (20th Century) / Bridgeman Images