http://upload.wikimedia.org/wikipedia/commons/e/ed/Morris_Snakeshead_printed_textile_1876_v_2.jpg
http://en.wikipedia.org/wiki/File:Brooklyn_Museum_-_Wallpaper_Sample_Book_1_-_William_Morris_and_Company_-_page025.jpg
http://en.wikipedia.org/wiki/File:Brooklyn_Museum_-_Wallpaper_Sample_Book_1_-_William_Morris_and_Company_-_page029.jpg