1. United States Institution for the treatment of cases of defective utterance: such as partial speechlessness, stuttering, stammering, hesitancy, weakness of voice, mis-enunciation, lisping, &c. &c. conducted by Mr. & Mrs. Chapman, No. 187, Pine Street, Philadelphia Author(s): United States Institution for the Cure of Impediments of Speech, author. Publication: [Philadelphia] : Printed by Clarke & Blayney, 1826 Subject(s): Speech DisordersSpeech Therapy -- methodsStutteringChapman, William, -1831.Chapman, Lucretia.United States Institution for the Cure of Impediments of Speech.