Acknowledgements: BIU Santé, Carmarthenshire Archives Service, CEROS - Jean-Mathieu Martini / Serge Plantureux, Cornell University Library, Creative Commons - Wikipedia, Google Books, Metropolitan Museum of Art, National Gallery of Canada / Musée des beaux-arts du Canada, National Science and Media Museum, NYPL - New York Public Library, Past to Present: Vintage Photo Gallery, Project Gutenberg, Wellcome Collection. |