They are located at the University of Michigan, Michigan State University, Harvard University Medical School, and the National Library of Medicine, which has digitized the entire volume and made it freely available online. The originals are approximately 22 x 30 inches containing a title page and an 8 page preface followed by 86 samples cut from rolls of arsenic-impregnated wallpaper. The book is sealed in a protective container and each individual page is encapsulated. This particular edition does not actually contain any arsenic. Further to that the content of this volume including both text and images are for entertainment purposes.