Upon the Formation of a Deaf Variety of the Human Race

100 families American Annals American Asylum Appendix Asylum and Illinois Asylum for Deaf-Mutes became deaf born deaf Cause of deafness census Clarke Institution classified according Columbia Institution congenital deaf-mutes congenitally deaf Date of opening deaf and dumb deaf children born deaf mutes deaf offspring deaf pupils recorded deaf variety deaf-mute families deaf-mute relatives disease dumb relatives Females fever following table Grand total hearing persons Indiana Institution Institution New York Institution Ohio Institution intermarriage list of deaf Lovejoy Males Margaret Harrington marriages married deaf married deaf-mutes married hearing persons Married to deaf-mutes Mother a deaf-mute Names occurring non-congenital deaf-mutes non-congenitally deaf number of deaf number of deaf-mutes Number of families number of pupils parents deaf parents deaf-mutes Percentage Period of birth Period of Recorded period when hearing principal proportion recorded as sporadic Recorded number recorded to Total relatives deaf sisters deaf superintendent teachers Total number uncle William York Institution