Typographica 6, Reading by touch, Typewriter type faces, 1962 16 / 03 / 17 https://archive.org/details/typographica600unse https://archive.org/details/typographica600unse
Notice historique sur lâinstitution des jeunes aveugles, 1817 16 / 03 / 17 https://bibulyon.hypotheses.org/6651
