SZT3023112: German reserves during the defensive battle of Arras, 1917 (photo) / Bridgeman Images

SZT3023113: German soldiers during the defensive battle in the Champagne region, 1917 (photo) / Bridgeman Images

SZT3023116: British tanks after the Battle of Cambrai, 1917 (b/w photo) / Bridgeman Images

SZT3023124: Railroad strike in the German Empire, 1922 (photo) / Bridgeman Images

SZT3023144: Austrian soldiers are mobilized against Italy, 1915 (b/w photo) / Bridgeman Images

SZT3023162: The German cruiser 'Goeben', 1915 (photo) / Bridgeman Images

SZT3023163: Turkish torpedo boat 'Muavenet', 1915 (photo) / Bridgeman Images

SZT3023186: Awarding of animal rights activists on the Animal Day in Berlin, 1938 (b/w photo) / Bridgeman Images

SZT3023187: Sympathy action of the German Animal Protection Society, 1932 (b/w photo) / Bridgeman Images

SZT3023190: Promotional car of the German Animal Protection Society, 1932 (b/w photo) / Bridgeman Images

SZT3023194: Honoring a dog by the German Animal Protection Society, 1931 (b/w photo) / Bridgeman Images

SZT3023196: Fundraising campaign of the Austrian Animal Protection Society, 1934 (b/w photo) / Bridgeman Images

SZT3023833: University in Berlin, around 1900-1913 (b/w photo) / Bridgeman Images

SZT3023836: University in Berlin, 1937 (b/w photo) / Bridgeman Images

SZT3023837: Gracia Prieto, 1931 (b/w photo) / Bridgeman Images

SZT3023840: The Frederick William University in Berlin, 1934 (b/w photo) / Bridgeman Images

SZT3023846: University in Berlin, 1931 (b/w photo) / Bridgeman Images

SZT3023858: Children's room, 1938 (b/w photo) / Bridgeman Images

SZT3023861: University in Berlin, circa 1830 (b/w photo) / Bridgeman Images

SZT3023874: Albin Skoda, 1934 (b/w photo) / Bridgeman Images

SZT3023882: The Krupp Works in Essen, 1909 (b/w photo) / Bridgeman Images

SZT3023896: Friedrich Bruckmann (b/w photo) / Bridgeman Images

SZT3023906: Gymnastics, 1926 (b/w photo) / Bridgeman Images

SZT3023907: Prisoner, 1940 (b/w photo) / Bridgeman Images

SZT3023909: Joseph Goebbels with Jungvolk, 1934 (b/w photo) / Bridgeman Images

SZT3023916: Werner Kempff and Adolf Hitler, 1942 (b/w photo) / Bridgeman Images

SZT3023946: Meeting of the Reich Association of German Industry, 1920 (b/w photo) / Bridgeman Images

SZT3023959: Cadets of the West Point Military Academy, 1933 (b/w photo) / Bridgeman Images

SZT3023963: American soldiers on maneuvers, 1935 (b/w photo) / Bridgeman Images

SZT3023968: Cadets of the West Point Military Academy, 1929 (b/w photo) / Bridgeman Images

SZT3023972: Family outing, 1930's (b/w photo) / Bridgeman Images

SZT3023975: Music-making in the home, 1931 (b/w photo) / Bridgeman Images

SZT3023979: Family, 1934 (b/w photo) / Bridgeman Images

SZT3023981: Frederick Francis IV, Grand Duke of Mecklenburg-Schwerin, 1925 (b/w photo) / Bridgeman Images

SZT3023992: Leopold IV of Lippe with his wife Bertha of Hesse-Philippsthal, 1905 (b/w photo) / Bridgeman Images

SZT3023999: August and Leopoldine of Saxe-Coburg and Gotha, 1866 (b/w photo) / Bridgeman Images