SZT6312925: Child labour, 1925 (b/w photo) / Bridgeman Images

SZT6312934: Child labour, 1924 (b/w photo) / Bridgeman Images

SZT6312952: Children in a dark flat (b/w photo) / Bridgeman Images

SZT6312967: Family making dolls, 1924 (b/w photo) / Bridgeman Images

SZT6312994: Chimney sweeper in Paris, 1870 (b/w photo) / Bridgeman Images

SZT6313000: Friedaheim in Berlin, 1914 (b/w photo) / Bridgeman Images

SZT6313045: Blast furnace plant, 1910 (b/w photo) / Bridgeman Images

SZT6313078: Hall of the Krupp works in Essen, 1910 (b/w photo) / Bridgeman Images

SZT6313087: Boiler manufacturing plant, 1905 (b/w photo) / Bridgeman Images

SZT6313123: Scene from the comedy "Die Generalsecke", 1912 (b/w photo) / Bridgeman Images

SZT6313141: The play "Extrazug nach Nizza" in a Berlin theatre, 1913 (b/w photo) / Bridgeman Images

SZT6313144: Scene from "Die spanische Fliege" ("The Spanish fly") in the Berlin Lustspielhaus, 1913 (b/w photo) / Bridgeman Images

SZT6313147: Performance of Anton Chekhov's "Seagull" in Berlin, 1909 (b/w photo) / Bridgeman Images

SZT6313095: Boiler manufacturing plant, 1905 (b/w photo) / Bridgeman Images

SZT6313125: Revue girls from Denmark, 1910 (b/w photo) / Bridgeman Images

SZT6313131: Scene from the farce "Olympische Spiele" in Berlin, 1907 (b/w photo) / Bridgeman Images

SZT6313134: Theatre scene from the Parisian play "Le Refuge", 1909 (b/w photo) / Bridgeman Images

SZT6313201: Further training for office staff, 1929 (b/w photo) / Bridgeman Images

SZT6313179: Blessing of weapons at the Military Academy in Vienna, 1913 (b/w photo) / Bridgeman Images

SZT6313185: Prince Friedrich Siegismund as craftsman, c.1910 (b/w photo) / Bridgeman Images

SZT6312347: Donated golden tableware for the war, 1938 (b/w photo) / Bridgeman Images

SZT6312365: Demonstration in Ohio against goods deliveries to Japan, 1937 (b/w photo) / Bridgeman Images

SZT6312377: Street in Tokyo, 1938 (b/w photo) / Bridgeman Images

SZT6312383: Japanese officers in Potsdam, 1934 (b/w photo) / Bridgeman Images

SZT6312389: Fort Jamrud at the Khyber Pass in northwest India, 1939 (b/w photo) / Bridgeman Images

SZT6312410: Carnival in Munich, 1897 (b/w photo) / Bridgeman Images

SZT6312431: The first electric tram in Potsdam, 1907 (b/w photo) / Bridgeman Images

SZT6312458: The last page of the peace treaty with Ukraine, 1918 (b/w photo) / Bridgeman Images

SZT6312470: View of the Topkapi Palace from the Sea of Marmara (b/w photo) / Bridgeman Images

SZT6312497: Coffee house in Tunis, 1936 (b/w photo) / Bridgeman Images

SZT6312509: Winemakers' festival in the Rhineland, 1902 (b/w photo) / Bridgeman Images

SZT6312515: The crown princess at a charity event, 1917 (b/w photo) / Bridgeman Images

SZT6312521: Artists' Society in Wiesbaden, 1906 (b/w photo) / Bridgeman Images

SZT6312530: Fashionable ladies from the theatre, 1912 (b/w photo) / Bridgeman Images

SZT6312560: Kitchen from the film "The Beaver Coat", 1962 (b/w photo) / Bridgeman Images

SZT6312569: Lifeguards, 1926 (b/w photo) / Bridgeman Images