Congregation Mikveh Israel (Philadelphia, Pa.)]]> Gratz, Rebecca, 1781-1869]]> Cohen, Mary M., 1854-1911]]> Congregation Mikveh Israel (Philadelphia, Pa.)]]> Jewish religious education]]> Jews]]> Hebrew Sunday School Society of Philadelphia (Pa.)]]> Female Hebrew Benevolent Society (Philadelphia, Pa.)]]> Gratz, Rebecca, 1781-1869]]> Sunday schools]]> Synagogues]]> Synagogue records and registers]]> Letters]]> Manuscripts]]> Correspondence]]> ]]>