SZT3004317: German tank tracks, 1945 (b/w photo) / Bridgeman Images

SZT3004319: German Flak on the Eastern front in Soviet Latvia, 1944 (b/w photo) / Bridgeman Images

SZT3004324: German 18 ton prime mover Sdkfz.9 on the Eastern front, 1943 (b/w photo) / Bridgeman Images

SZT3004327: German armored personnel carriers before delivery, 1942 (b/w photo) / Bridgeman Images

SZT3004328: German tank on the East front, 1941 (b/w photo) / Bridgeman Images

SZT3004329: German artillery observer and multiple rocket launcher on the Eastern front, 1942 (b/w photo) / Bridgeman Images

SZT3004338: A German assault gun III on the Eastern front, 1942 (b/w photo) / Bridgeman Images

SZT3004340: German armored vehicles on the Eastern front, 1942 (b/w photo) / Bridgeman Images

SZT3004343: German assault gun on the Eastern front, 1941 (b/w photo) / Bridgeman Images

SZT3004347: German IV tanks on the Eastern front, 1943 (b/w photo) / Bridgeman Images

SZT3004358: Street vendor in Berlin, 1906 (b/w photo) / Bridgeman Images

SZT3004362: Shopping in a self service store, 1942 (b/w photo) / Bridgeman Images

SZT3004365: Weekly market in Wittenbergplatz, 1938 (b/w photo) / Bridgeman Images

SZT3004375: Sausage counter in a grocery store (b/w photo) / Bridgeman Images

SZT3004380: French soldiers vacate Koblenz, 1929 (b/w photo) / Bridgeman Images

SZT3004388: Eugen Kloepfer in 'Youth', 1938 (b/w photo) / Bridgeman Images

SZT3004397: Buster Keaton and Marceline Day in 'The Cameraman', 1928 (b/w photo) / Bridgeman Images

SZT3004404: Buster Keaton and his wife Natalie Talmadge with their sons, 1932 (b/w photo) / Bridgeman Images

SZT3004414: Wolf Albach-Retty in 'The Bird Seller', 1935 (b/w photo) / Bridgeman Images

SZT3004423: Berlin worker's family, 1930 (b/w photo) / Bridgeman Images

SZT3004428: Tyrolean weaver at the loom, 1911 (b/w photo) / Bridgeman Images

SZT3004433: Electric generator (b/w photo) / Bridgeman Images

SZT3004439: German anti-aircraft gun, 1909 (b/w photo) / Bridgeman Images

SZT3004440: German soldiers, 1913 (b/w photo) / Bridgeman Images

SZT3004443: Squad room in a German barracks, 1910 (b/w photo) / Bridgeman Images

SZT3004458: German U3 submarine, 1912 (b/w photo) / Bridgeman Images

SZT3004461: SMS 'Prince Regent Luitpold' in Kiel, 1914 (b/w photo) / Bridgeman Images

SZT3004480: Hottentots as comrades in arms of the Germans in Southwest Africa, 1904 (b/w photo) / Bridgeman Images

SZT3004494: Rent strike in New York during the Great Depression, 1932 (b/w photo) / Bridgeman Images

SZT3004495: US soldiers during a strike in a mine, 1932 (b/w photo) / Bridgeman Images

SZT3004500: Recruitment of unemployed African-American men for a work-creation project in Camp Dix, 1933 (b/w photo) / Bridgeman Images

SZT3004514: Paul Kemp and Wilhelm Bendow in 'Casanova', 1928 (b/w photo) / Bridgeman Images

SZT3004517: Military Parade in Chicago, 1927 (b/w photo) / Bridgeman Images

SZT3004522: Union Stockyards in Chicago, 1938 (b/w photo) / Bridgeman Images

SZT3004523: Blimp over the grounds of the World Fair in Chicago, 1933 (b/w photo) / Bridgeman Images

SZT3004527: Business street in Chicago, 1929 (b/w photo) / Bridgeman Images