Sherlock Holmes and the missing box : (with apologies to Dr. A. Conan Doyle). https://www.rawpixel.com/image/13958285/sherlock-holmes-and-the-missing-box-with-apologies-dr-conan-doyleFree Image from public domain licenseSir Arthur Conan Doyle. Colour process print after a pastel drawing by M. Menpes, 1901. https://www.rawpixel.com/image/14018800/image-paper-cartoon-faceFree Image from public domain license