The deaf and dumb and blind deaf-mutes [microform] : with interesting facts and anecdotes, a short history of the Mackay Institution, an easy method of teaching deaf mutes at home, the audiphone, etc. / Widd, Thomas. text Montreal : F.E. Grafton, 1880. eng "Illustrated by deaf-mute artists." Filmed from a copy of the original publication held by the Metropolitan Toronto Library, History Department. 43 Mackay Institution for Protestant Deaf-Mutes(Montréal). Mackay Institution for Protestant Deaf-Mutes (Montréal). Deaf Sourds URN:ISBN:0665529945