Internet Archive Book Images: Image from page 462 of "Hardware merchandising August-October 1912" (1912)
The British Library: British Library digitised image from page 54 of "What Mr. Darwin saw in his Voyage round The World in the Ship 'Beagle.' [Compiled and adapted from 'Journal of Researches into the Geology and Natural History of the Various Countries visited by H.M.S. Beag
The British Library: British Library digitised image from page 538 of "The Oxford Thackeray. With illustrations [Edited with introductions by George Saintsbury.]"
The British Library: British Library digitised image from page 266 of "Was Georg seinen deutschen Landsleuten über Brasilien zu erzählen weiss. Schilderungen eines in Süd-Brasilien wohlhabend gewordenen Proletariers, etc"
Internet Archive Book Images: Image from page 469 of "Yearbook of the United States Department of Agriculture" (1905)
William Roth: willroth-co-free-texture-gradient
Internet Archive Book Images: Image from page 14 of "Die Nymphe des Brunnes" (1903)
California Historical Society Digital Collection: Advertisement for the Pacific Coast Trunk Store
BioDivLibrary: n319_w1150
Biblioteca de Arte-Fundação Calouste Gulbenkian: Reclame luminoso, Lisboa, Portugal
Internet Archive Book Images: Image from page 28 of "Le Monde moderne" (1895)
Internet Archive Book Images: Image from page 54 of "A dictionary of architecture and building : biographical, historical, and descriptive" (1902)
Internet Archive Book Images: Image from page 388 of "Diccionario dos termos technicos de historia natural, extrahidos das obras de Linnéo, com a sua explicaçaõ, e estampas abertas em cobre .." (1788)
BioDivLibrary: n252_w1150
BioDivLibrary: n76_w1150
Smithsonian Institution: Portrait of Marie Curie (1867-1934), Physicist
Internet Archive Book Images: Image from page 530 of "International studio" (1897)
The British Library: British Library digitised image from page 41 of "Sunny Spain: its people and places, with glimpses of its history [With illustrations.]"
The British Library: British Library digitised image from page 78 of "Songs for Little People [With illustrations by H. Stratton.]"
The British Library: British Library digitised image from page 191 of "The History of Troop 'A,' New York Cavalry U.S.V, from May 2 to November 28, 1898 in the Spanish-American War. Published by the Troop for private circulation [With illustrations and map.]"
Internet Archive Book Images: Image from page 344 of "Devises heroiques et emblemes" (1622)
Internet Archive Book Images: Image from page 413 of "Mother's remedies; over one thousand tried and tested remedies from mothers of the United States and Canada" (1916)
Internet Archive Book Images: Image from page 784 of "Dictionnaire d'horticulture illustré / par D. Bois préface de Maxime Cornu avec la collaboration de E. André ... [et al.]." (1893)
Internet Archive Book Images: Image from page 622 of "Lepidoptera indica" (1890)
Internet Archive Book Images: Image from page 33 of "The Artistic language of flowers" (1888)
Internet Archive Book Images: Image from page 306 of "From the Cape to Cairo; the first traverse of Africa from south to north" (1900)
Internet Archive Book Images: Image from page 598 of "Trans-Himalaya; discoveries and adventures in Tibet" (1909)
Internet Archive Book Images: Image from page 427 of "The book of woodcraft" (1912)
Internet Archive Book Images: Image from page 84 of "The American flora : or history of plants and wild flowers : containing their scientific and general description, natural history, chemical and medical properties, mode of culture, propagation , &c., designed as a book of reference