https://fr.wikipedia.org/wiki/William_Wallace_Denslow
https://www.reddit.com/r/typography/comments/nunn4i/one_of_my_favorite_resources_the_1882_george/
https://books.google.fr/books?id=sPFBAAAAYAAJ&printsec=frontcover&redir_esc=y#v=onepage&q&f=false
https://holtsmithsonfoundation.org/heap-language-0