RRemarks on stammeringRemarks on stammeringde Andrew ComstockMateriasStutteringEdiciones (2)Remarks on stammering (1837)inglésRemarks on stammering (1837)inglésMás obras de Andrew ComstockAA system of elocutionA system of elocutionCComstock's phonetic reader, no. 1.Comstock's phonetic reader, no. 1.CComstock's Juvenile reader no. 1.Comstock's Juvenile reader no. 1.