LLH6029967: Menu illustration: Switzerland (colour litho), English School, (19th century) / Bridgeman Images

LLM6026580: Student burning the Midnight Oil (engraving), American School, (19th century) / Bridgeman Images

LLM6028728: Angel (engraving), English School, (19th century) / Bridgeman Images

LLM6025324: St Mary's-on-the-Bridge, Derby (engraving), English School, (19th century) / Bridgeman Images

LLM6028353: Prominent Men of London: Sir Hiram Stevens Maxim (b/w photo), English Photographer, (20th century) / Bridgeman Images

QGA935419: Tiger / Bridgeman Images

QGA935444: muriquis, woolly spider monkeys / Bridgeman Images

QGA936266: Elecampane / Bridgeman Images

QGA936852: Vasco da Gama (ca. 1469 – 1524), Portuguese explorer / Bridgeman Images

QGA935113: Ornament / Bridgeman Images

QGA936342: Charlemagne. Bronze statuette, now in the Musée Carnavalet in Paris / Bridgeman Images

QGA936669: Sir Anthony van Dyck (1599 – 1641), Flemish Baroque artist / Bridgeman Images

QGA936714: Christian Friedrich Hebbel (18 March 1813 – 13 December 1863), was a German poet and dramatist. / Bridgeman Images

QGA936125: Còsimo di Giovanni degli Mèdici (1389 – 1464), first of the Medici political dynasty / Bridgeman Images

QGA936128: Moses Mendelssohn (1729–1786), philosopher, a significant figure in the Age of Enlightenment in Germany / Bridgeman Images

QGA936727: Jan Hus (1372 - 1415), Czech Catholic priest, philosopher, reformer, and master at Charles University in Prague / Bridgeman Images

QGA935999: Claudius Galenus (129 – 216), Galen of Pergamum, Roman physician and philosopher / Bridgeman Images

QGA936389: Wartburg, castle erlooking the town of Eisenach, in Thuringia, Germany / Bridgeman Images

QGA935534: Heidelberg, Germany / Bridgeman Images

QGA935771: Gorilla / Bridgeman Images

QGA936718: Princess Henrietta of England (1644 – 1670) / Bridgeman Images

QGA936829: Aspasia (ca. 470 BC – ca. 400 BC), Athenian woman and friend of Pericles / Bridgeman Images

QGA935516: Saxon farmhouse / Bridgeman Images

QGA935446: Chacma Baboon, Cape Baboon, Papio ursinus / Bridgeman Images

QGA936636: Geoffrey Chaucer (1343 – 1400), English author, poet, philosopher, bureaucrat, courtier and diplomat / Bridgeman Images

QGA935973: Lapwing / Bridgeman Images

QGA935062: Virginian tobacco / Bridgeman Images

QGA936358: Lord Ashley / Bridgeman Images

QGA936354: John Ruskin. From a Photograph by Elliott & Fry., Elliott & Fry Studio (fl.1860-1900) (after) / Bridgeman Images

QGA936667: Alexandre Dumas, père (1802–1870), French novelist and author of The Three Musketeers / Bridgeman Images

QGA935492: Ernst-Wilhelm Arnoldi (1778-1841), German merchant / Bridgeman Images

QGA935071: Friedrich Wöhler (31 July 1800 – 23 September 1882) German chemist, known for synthesis of urea and the first to isolate several chemical elements / Bridgeman Images

QGA936132: Klemens Wenzel, Prince von Metternich (1773 – 1859), German-Austrian politician and statesman / Bridgeman Images

QGA936035: Karl August von Hardenberg (1750-1822), Prussian statesman / Bridgeman Images

QGA936526: Louis Agassiz (1807–1873), Swiss-U.S. zoologist, glaciologist, and geologist / Bridgeman Images

QGA936186: Clara Wieck Schumann (1819–1896), German pianist and composer / Bridgeman Images