Handel festival in the Crystal Palace, Sydenham, London: a large audience attending a concert. Wood engraving by J. Mahoney… https://www.rawpixel.com/image/13962196/image-paper-cartoon-peopleFree Image from public domain licenseStudiezaal van het prentenkabinet te Berlijn (1900) by anonymous, anonymous and Ewald Thiel https://www.rawpixel.com/image/13772917/image-paper-face-personFree Image from public domain licenseThe British Museum: the reading room, with many readers. Engraving by H. Melville after T. H. Shepherd. https://www.rawpixel.com/image/13987046/image-person-book-clothingFree Image from public domain licenseArmand, a curator in a zoo, meets Mme Girard while a nanny looks after her child. Coloured stipple engraving by J. Canu… https://www.rawpixel.com/image/14012836/image-person-art-clothingFree Image from public domain licenseZeven mannen lezen aan een tafel (1847 - 1851) by Jean Julien Jacott, Johann Peter Hasenclever, François Louis Cattier… https://www.rawpixel.com/image/13764028/image-paper-face-personFree Image from public domain licenseThomas Colledge attending a patient at his eye hospital in Macau. Aquatint by W. Daniell, 1834, after G. Chinnery. https://www.rawpixel.com/image/14004276/image-person-art-eyeFree Image from public domain licenseTwo men performing a show to an audience at a public house, using sign language. Wood engraving, 1875. https://www.rawpixel.com/image/13999498/image-person-art-clothingFree Image from public domain licenseProfessors at Leipzig University, seen at clinical work, research and teaching: six portraits. Process print, 1908. https://www.rawpixel.com/image/14003210/image-face-person-bookFree Image from public domain license