DND5241985: Heritage, old picture postcard, Lokmanya Bal Gangadhar Tilak, India NO MR (photo) / Bridgeman Images

KWE2619036: George Henry Thomas, from The Century Magazine, published 1887 (engraving) / Bridgeman Images

KWE2619013: Samuel 'Sam' Houston, from The Century Magazine, published 1887 (engraving) / Bridgeman Images

WRP617611: Embroidered smock (photo) / Bridgeman Images

WRP617632: Sweet makers, Kabul (photo) / Bridgeman Images

DGC617827: Wrestling Pose, c.1910 (sepia photo) / Bridgeman Images

MGS622595: Kazembe's heir, 1914 (gelatin silver print) / Bridgeman Images

MGS622636: Twenty-three months old, April, 1942 (gelatin silver print) / Bridgeman Images

MGS622656: Kumasi Durbar - Arrival of the Asantehene, Ghana, 12th December 1946 (gelatin silver print) / Bridgeman Images

MGS622754: Two Men, Papua New Guinea (gelatin silver print) / Bridgeman Images

MGS622777: Sinhalese Buddhist Priest (albumen print) / Bridgeman Images

MGS622575: Women and children, south east Africa, c.1880 (albumen print) / Bridgeman Images

MGS622635: Hippopotami, c.1920s (gelatin silver print) / Bridgeman Images

MGS622639: Lion tué à la Mission de Luashi, c.1940 (gelatin silver print) / Bridgeman Images

MGS622649: Wives of King Ja Ja, Nigeria, 1880s (albumen print) / Bridgeman Images

MGS622769: Christian Kafir, Natal (albumen print) / Bridgeman Images

MGS622773: Madura - Festival every 12 years, bathing in sacred tank (albumen print) / Bridgeman Images

PPH616665: Kensington House, Pencombe Mews (photo) / Bridgeman Images

WRP617647: A man cooking jalabi sweet snack in a market, Kabul (photo) / Bridgeman Images

DGC617831: Two Ni-Vanuatu US Navy Recruits from Espiritu Santo, New Hebrides, c.1942 (sepia photo) / Bridgeman Images

XOS619933: Acadia National Park, Maine (photo) / Bridgeman Images

JCL736811: French soldiers on spud duty, 38th Infantry Regiment , First World War (sepia photo) / Bridgeman Images

JCL736823: Soldiers in a cafe, Dijon, 1915 (photo) / Bridgeman Images

JCL736843: Group of soldiers with nurses, Vichy, 7th April 1914 (photo) / Bridgeman Images

JCL736824: Soldiers having dinner in a trench, First World war, 1914-18 (photo) / Bridgeman Images

CH739699: Collection of hand-carved lasts, by Jan Jansen (photo) / Bridgeman Images

JHL740739: Chinese Prisoners wearing Cangues, early C20th (b/w photo) / Bridgeman Images

CCI2636241: Religion. Rabbi's blessing. Postcard by M. Oppenheim, Germany, c.1900. / Bridgeman Images

CCI2636267: We 're for the Peace. Poster, USSR, c.1950-55. / Bridgeman Images

CCI2636341: History. France. God protects France. Marianne, a non from the Red Cross and a french soldier. Postcard, France, c.1910. / Bridgeman Images

CCI2638754: Science. Energy. Naval spotlight. Imagery from a series on the Wonder of Electricity, France, c.1910. / Bridgeman Images

CCI2638776: History. France. Death of Henri de la Tour d'Auvergne, Vicomte de Turenne, at the battle of Salzbach (Franco Dutch War), 1675. Imagery, France, c.1900. / Bridgeman Images

DGC2639485: Sergeant Major Jiggs IV, Marine Corps Base Quantico, Virginia. 1942 (photo) / Bridgeman Images

CCI2638697: Science. Electric engine of the submarines. Imagery from a series on the Wonder of Electricity, France, 1910. / Bridgeman Images

CCI2638870: Science. The french mathematician Gaspard Monge and Napoleon Bonaparte during the French Campaign in Egypt (1798). Imagery, France, c.1900. / Bridgeman Images

DGC2641344: Portrait of Katharine Lee Bates, c.1885 (photo) / Bridgeman Images