1. Sixth summer meeting: held at the Clarke School for the Deaf, Northampton, Mass., from the 22d to the 28th of June, 1899 : address of the president Author(s): Bell, Alexander Graham, 1847-1922 Publication: Mt. Airy, Philadelphia, Penn. : [s.n.], 1899 Subject(s): SpeechEducation of Hearing DisabledEducation, SpecialUnited States