NWI4714235: Russian-Afghan border, 1892 - Cossack post guarding the Russian-Afghan frontier, 1892. / Bridgeman Images

FLO4714340: Rudbeckie - Hairy tetratheca, Tetratheca hirsuta. Handcoloured copperplate engraving by G. Barclay after Miss Sarah Drake from John Lindley and Robert Sweet's Ornamental Flower Garden and Shrubbery, G. Willis, London, 1854. / Bridgeman Images

FLO4714512: Various leaved chorizema, Chorizema varium. Handcoloured copperplate engraving by G. Barclay after Miss Sarah Drake from John Lindley and Robert Sweet's Ornamental Flower Garden and Shrubbery, G. Willis, London, 1854. / Bridgeman Images

FLO4715063: Skeleton and skull of the Bornean orangutan, Pongo pygmaeus, Endangered (Great Borneo ape, Simia satyrus) - Handcoloured copperplate engraving by J. Pass after an illustration by Jean Baptiste Audebert from Ebenezer Sibly's Universal System of Natural History, London, 1804 / Bridgeman Images

FLO4714589: Cardinal mimule - Scarlet monkey flower, Mimulus cardinalis. Handcoloured copperplate engraving by Weddell after J.T. Hart from John Lindley and Robert Sweet's Ornamental Flower Garden and Shrubbery, G. Willis, London, 1854. / Bridgeman Images

FLO4715022: Orang outan (Orang outang) from Borneo - Bornean orangutan, Pongo pygmaeus, Endangered - Domesticated female orange-outang with bandana and bowl. Handcoloured copperplate engraving by J. Chapman after an illustration by Johann Jakob Ihle from Ebenezer Sibly's Universal System of Natural History, London, 1795 / Bridgeman Images

FLO4715097: Large flying fox, Pteropus vampyrus, and New York bat (Ternate bat, Vespertilio vampyrus, and New York bat, Vespertilio noveboracensis) - Handcoloured copperplate engraving by J. Pass from Ebenezer Sibly's Universal System of Natural History, London, 1795 / Bridgeman Images

FLO4715113: Galeopitheque ou colugo - Philippine flying lemur, Cynocephalus volans, Galeopithecus or flying macauco - Handcoloured copperplate engraving by J. Pass after an illustration by Jean Baptiste Audebert from Ebenezer Sibly's Universal System of Natural History, London, 1795 / Bridgeman Images

FLO4711988: Conanthere - Conanthera trimaculata (Three-spotted cummingia, Cummingia trimaculata). Handcoloured copperplate engraving by Weddell after Edwin Dalton Smith from John Lindley and Robert Sweet's Ornamental Flower Garden and Shrubbery, G. Willis, London, 1854. / Bridgeman Images

FLO4712000: Ipomee, volubilis - Royal purple gaybine, Pharbitis ostrina. Handcoloured copperplate engraving by G. Barclay after Miss Sarah Drake from John Lindley and Robert Sweet's Ornamental Flower Garden and Shrubbery, G. Willis, London, 1854. / Bridgeman Images

FLO4712031: Many-flowered fringe-lily, Thysanotus multiflorus (Proliferous thysanotus, Thysanotus proliferus). Handcoloured copperplate engraving by G. Barclay after Miss Sarah Drake from John Lindley and Robert Sweet's Ornamental Flower Garden and Shrubbery, G. Willis, London, 1854. / Bridgeman Images

FLO4712032: Slender fringe-lily, Thysanotus tenuis. Handcoloured copperplate engraving by G. Barclay after Miss Sarah Drake from John Lindley and Robert Sweet's Ornamental Flower Garden and Shrubbery, G. Willis, London, 1854. / Bridgeman Images

FLO4712220: Tulip des jardins - Didier's tulip or garden tulip, Tulipa gesneriana (Gesner's tulip, Tulipa gesneriana). Handcoloured copperplate engraving by G. Barclay after Miss Sarah Drake from John Lindley and Robert Sweet's Ornamental Flower Garden and Shrubbery, G. Willis, London, 1854. / Bridgeman Images

FLO4712234: Tulip d'Agen - Tulipa agenensis (Early-flowered tulip, Tulipa praecox). Handcoloured copperplate engraving by Weddell after Edwin Dalton Smith from John Lindley and Robert Sweet's Ornamental Flower Garden and Shrubbery, G. Willis, London, 1854. / Bridgeman Images

FLO4712324: Lily of the Incas, lily of Peru - St. Martin's flower, Alstroemeria pulchra. Handcoloured copperplate engraved and drawn by Frederick W. Smith from John Lindley and Robert Sweet's Ornamental Flower Garden and Shrubbery, G. Willis, London, 1854. / Bridgeman Images

FLO4712416: Pink bomarea, Bomarea edulis (Hairy-leaved bomarea, Bomarea hirtella). Handcoloured copperplate engraving by Weddell after Edwin Dalton Smith from John Lindley and Robert Sweet's Ornamental Flower Garden and Shrubbery, G. Willis, London, 1854. / Bridgeman Images

FLO4712428: Bomarea dulcis (Sweet collania, Collania dulcis). Handcoloured copperplate engraving by G. Barclay after Miss Sarah Drake from John Lindley and Robert Sweet's Ornamental Flower Garden and Shrubbery, G. Willis, London, 1854. / Bridgeman Images

FLO4712429: Perou Urceoline - Stenomesson miniatum (Vermilion-coloured pentlandia, Pentlandia miniata). Handcoloured copperplate engraving by G. Barclay after W.B. Booth from John Lindley and Robert Sweet's Ornamental Flower Garden and Shrubbery, G. Willis, London, 1854. / Bridgeman Images

FLO4712464: Clinanthe - Clinanthus incarnatus (Changeable Coburg lily, Coburgia versicolor). Handcoloured copperplate engraving by G. Barclay after W. Herbert from John Lindley and Robert Sweet's Ornamental Flower Garden and Shrubbery, G. Willis, London, 1854. / Bridgeman Images

FLO4712493: Amaryllis Cybister - Hippeastrum cybister (Short-flowered tumbler sprekelia, Sprekelia cybister var. brevis). Handcoloured copperplate engraving by G. Barclay after Miss Sarah Drake from John Lindley and Robert Sweet's Ornamental Flower Garden and Shrubbery, G. Willis, London, 1854. / Bridgeman Images

NWI4712525: Prospectors in camp during the California Gold Rush, 1850s. / Bridgeman Images

FLO4712627: Crocus variets - Crocuses, Croci. Crocus gargargaricus, reticulatus v. albicans, vallicola, cancellatus v. margaritaceus, cancellatus v. mazziaricus, striatus, hadriaticus v. saundersianus, hadriatcus v. chrysovelonicus, boryanus. Handcoloured copperplate engraving by G. Barclay after W. Herbert from John Lindley and Robert Sweet's Ornamental Flower Garden and Shrubbery, G. Willis, London, 1854. / Bridgeman Images

NWI4712632: USA territory origins - Map of territorial acquisition by the United States. / Bridgeman Images

FLO4712673: Crocus variets - Crocuses, Croci. Crocus damascenus, C. byzanticus, C. tournefortianus, C. cambessedianus, C. medius, C. cartwrightianus, C. cartwrightianus v. creticus, C. clusianus. Handcoloured copperplate engraving after W. Herbert from John Lindley and Robert Sweet's Ornamental Flower Garden and Shrubbery, G. Willis, London, 1854. / Bridgeman Images

FLO4712677: Crocus has two flowers - Silvery crocus, Crocus biflorus (Small annulate crocus, Crocus annulatus var. pusillus). Handcoloured copperplate engraving by A. Bailey after Edwin Dalton Smith from John Lindley and Robert Sweet's Ornamental Flower Garden and Shrubbery, G. Willis, London, 1854. / Bridgeman Images

FLO4712684: Crocus variets - Crocuses, Croci. Crocus pulchellus, C. odorus, C. longiflorus, C. odorus v. melilensis, C. thomasianus, C. pallasianus, C. carlwrightianus. Handcoloured copperplate engraving by G. Barclay after W. Herbert from John Lindley and Robert Sweet's Ornamental Flower Garden and Shrubbery, G. Willis, London, 1854. / Bridgeman Images

NWI4712731: Map showing center of US population moving westward along the National Road, 1790-1900. / Bridgeman Images

FLO4712752: Douglas 'grasswidow, Olsynium douglasii (Douglas' sisyrinchium, Sisyrinchium douglasii). Handcoloured copperplate engraving by G. Barclay after J.T. Hart from John Lindley and Robert Sweet's Ornamental Flower Garden and Shrubbery, G. Willis, London, 1854. / Bridgeman Images

FLO4712920: Lily a Borders, Little Lily Rose - Rosepink zephyr lily or pink rain lily, Zephyranthes carinata. (Keeled-leaved zephyr flower). Handcoloured copperplate engraving by Weddell after Edwin Dalton Smith from John Lindley and Robert Sweet's Ornamental Flower Garden and Shrubbery, G. Willis, London, 1854. / Bridgeman Images

FLO4718292: Portrait of John Collier (1708-1786) or Tim Bobbin, Lancashire caricaturist and poet 1708-1786. Copperplate engraving after a satirical illustration by Timothy Bobbin from Human Passions Delineated. / Bridgeman Images

FLO4718340: Three ugly country bumpkins in competition over their looks. Copperplate engraving by Thomas Sanders after a satirical illustration by Timothy Bobbin (John Collier) (1708-1786) from Human Passions Delineated, John Haywood, Manchester, 1773. / Bridgeman Images

FLO4718423: Carriers and fishonnieres of the Marche des Halles dancing around the statue of Henry IV, in the centre, the Marquis veiled as a noble, plays the violin, followed by a drum and an organist - Eau forte after an illustration by Victor Auver, extracted from Un tour through Paris, published by William Sams, 1925 - / Bridgeman Images

FLO4718432: View of Mr. Deligny's swimming school at the Louis XVI bridge, men dive, swim and bask in towel and bathing suits - Eau forte after an illustration by Victor Auver, from Un tour a travers Paris, published by William Sams, 1925 - / Bridgeman Images

FLO4718450: Parisians reading newspapers in the Tuileries Garden, an old woman holds the press stand under an umbrella, her clients are gentlemen, soldiers and brokers - Eau forte from an illustration by Victor Auver, from Un tour through Paris, published by William Sams, 1925 - / Bridgeman Images

FLO4718498: Merchants itinerant on the boulevards, a salesman of herbal tea with his barrel on his back, a blind man with his dog, a porter and a seller of prints - Eau forte d'une illustration by Victor Auver, extracted from Un tour through Paris, published by William Sams, 1925 - / Bridgeman Images

FLO4718692: Eurasian eagle-owl, Bubo bubo (Great-eared owl, Bubo maximus). Handcoloured steel engraving from Georg Friedrich Treitschke's Gallery of Natural History, Naturhistorischer Bildersaal des Thierreiches, Liepzig, 1842. / Bridgeman Images