SZT5183542: Medical students in Berlin, 1931 / Bridgeman Images

SZT5183557: Study, 1930s / Bridgeman Images

SZT5183566: Girl of the German minority in costume, 1930 / Bridgeman Images

SZT5183569: Nurse doing paperwork, 1940s / Bridgeman Images

SZT5183587: Bergmann MP18 at an exhibition, 1931 / Bridgeman Images

SZT5183602: Gunsmith at a Police Academy in Berlin, 1936 / Bridgeman Images

SZT5183611: Tanks on terrain, 1932 / Bridgeman Images

SZT5183617: Late medieval siege gun, 1909 / Bridgeman Images

SZT5183632: Worker in a toy factory, 1935 / Bridgeman Images

SZT5183638: Female workers in a spinning mill for asbestos yarn, 1905 / Bridgeman Images

SZT5183647: German soldier in a ditch on the Eastern Front, 1942 / Bridgeman Images

SZT5183650: Jungmaedel (young girl) eating, 1937 / Bridgeman Images

SZT5183659: Anarchist fighters in a village on the Teruel front near Valencia, 1936 / Bridgeman Images

SZT5183677: Young Republican fighters on their way to the front, 1936 / Bridgeman Images

SZT5183690: Spanish national troops on the march at Seville, 1936 / Bridgeman Images

SZT5183696: Arrival of volunteer Republican fighters in Barcelona, ??1936 / Bridgeman Images

SZT5183406: Couple on bikes, 1924 / Bridgeman Images

SZT5183409: Two women on the bike, 1924 / Bridgeman Images

SZT5183741: Peasant dictatorship in Bulgaria, 1919-1923 / Bridgeman Images

SZT5183756: Ferdinand von Reznicek "Schoenheit adelt", Reznicek, Ferdinand von (1868-1909) / Bridgeman Images

SZT5183436: Drawing depicting the beach life on the North Sea, around 1900 / Bridgeman Images

SZT5183795: Caspari Walter "Hirschdenkmaeler" (Deer monuments), 1899, Caspari, Walter (1877-1962) / Bridgeman Images

SZT5183451: Beach holiday in the 19th century / Bridgeman Images

SZT5183858: "An de Woterkant" by Wilke Rudolf , 1901, Wilke, Rudolf (1873-1908) / Bridgeman Images

SZT5183466: Women at the East Sea beach, 1919 / Bridgeman Images

SZT5183873: "Serenissimus in Oberammergau" by Rudolf Wilke, 1901 (engraving), Wilke, Rudolf (1873-1908) / Bridgeman Images

SZT5183475: Arab children in Palestine, 1932 / Bridgeman Images

SZT5183894: "Undank" (Ingratitude) by Ernst Heilemann , 1901, Heilemann, Ernst (1870-1936) / Bridgeman Images

SZT5183499: Grotto of the Nativity in Bethlehem, 1929 / Bridgeman Images

SZT5183909: Street artist at Potsdamer Platz in Berlin, 1919 / Bridgeman Images

SZT5183514: The Turkish War of Independence - 1919-1923 / Bridgeman Images

SZT5183592: Gun inspection, 1867 / Bridgeman Images

SZT5183616: Flintlock Riter's pistols, 1939 / Bridgeman Images

SZT5183628: Child with doll, 1927 / Bridgeman Images

SZT5183631: Riot of factory workers, around 1800 / Bridgeman Images

SZT5183640: Colorado beetle control, 1935 / Bridgeman Images