ARV947018: Princess Ragnhild of Norway with Astrid, Children / Bridgeman Images

ARV947031: Princess Friederike Luise, Duchess of Brunswick / Bridgeman Images

ARV947104: Prince Alexander Ferdinand of Prussia as a baby / Bridgeman Images

ARV947240: Song Krieg und Sieg, Always feste druff, Fr. Wilhelm / Bridgeman Images

QGA936200: appliance for indoor bicyle training / Bridgeman Images

QGA936206: Bicycle / Bridgeman Images

QGA936230: Ivy: withered branch with elliptical pointed leaves / Bridgeman Images

QGA936246: Oaks / Bridgeman Images

QGA936259: Auricula / Bridgeman Images

QGA936264: Parsnip / Bridgeman Images

QGA936272: Alphabet character, letter I / Bridgeman Images

QGA936278: Alphabet character, letter I / Bridgeman Images

QGA936281: Oleander / Bridgeman Images

QGA936288: Saint Teresa of Ávila, also called Saint Teresa of Jesus (1515 - 1582), Spanish mystic, Carmelite nun, and writer of the Counter Reformation / Bridgeman Images

QGA936311: basket for clearing away the dishes / Bridgeman Images

QGA936330: Moctezuma II (1466–1520), the ninth Aztec Emperor, ruler at the beginning of the Spanish conquest of Mexico / Bridgeman Images

QGA936337: coin (denarius) of Charlemagne and Pope Leo III. / Bridgeman Images

QGA936364: Marie Antoinette (1755 – 1793), Archduchess of Austria and the Queen of France and Navarre / Bridgeman Images

QGA936442: Autograph: Dr. Eduard Simson / Bridgeman Images

QGA936412: Autograph: Karl Piloty / Bridgeman Images

QGA936427: Autograph: Friedrich II. / Bridgeman Images

QGA936443: European eel / Bridgeman Images

QGA936459: Alder / Bridgeman Images

QGA936469: Liverwort / Bridgeman Images

QGA936500: Farewell of Alexander I to Frederick William III. and Louise at the coffin of Frederick the Great in the Garrison Church in Potsdam on the night of 3-4th November 1805. After the painting of Dähling, engraved by Meno Haas, Berlin 1806 / Bridgeman Images

QGA936504: Georges Jacques Danton (1759 - 1794), political leader of the French Revolution / Bridgeman Images

QGA936516: Josiah Wedgwood (1730 - 1795), English potter, credited with the industrialization of the manufacture of pottery / Bridgeman Images

QGA936519: Ecce Homo, Jesus Christ as martyr with Crown of Thorns / Bridgeman Images

QGA936529: Ivan Aksakov (1823-1886), Russian journalist and slavophile / Bridgeman Images

QGA936549: André-Marie Ampère (born 20 January 1775, died 10 June 1836), French physicist and mathematician / Bridgeman Images

QGA936575: Archimandrite of the ivirone monastery on Mount Athos in Greece / Bridgeman Images

QGA936583: Portrait of a man from Upper Bavaria / Bridgeman Images

QGA936589: Pierre-Augustin Caron de Beaumarchais (24 January 1732 – 18 May 1799), french businessman and author / Bridgeman Images

QGA936599: Friedrich Johann Justin Bertuch (30 September 1747 - 3 April 1822), German publisher and patron of the arts / Bridgeman Images

QGA936605: Giovanni Boccaccio (1313 – 21 December 1375), Italian author and poet / Bridgeman Images

QGA936613: Charles III, Duke of Bourbon (February 17, 1490 – May 6, 1527), French military leader / Bridgeman Images