Gestuno : international sign language of the deaf = langage gestuel international des sourds : the revised and enlarged book of signs agreed and adopted by the Unification of Signs Commission of the World Federation of the Deaf = le livre révisé des signes acceptés et adoptés par la Commission d'unification des signes de la Federation mondiale des sourds. (British Deaf Association [for] the World Federation of the Deaf,, 1975)