title: Words recognized as units; systematic signs. 1859.
authors.forename: J
authors.initials: J
authors.lastname: Carlin
mesh_terms: D003638:Deafness / Q000266:history*; D049672:History, 19th Century; D006801:Humans; D009155:Mutism / Q000266:history*; D012813:Sign Language; D013561:Symbolism