Andrew Comstock1795 — 1864 · 5 obras en el catálogoObrasRRemarks on stammeringRemarks on stammeringAA 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.AA system of vocal gymnasticsA system of vocal gymnastics