Remarks On The Mats'Háfa Tomár, Or The Book Of The Letter : An Ethiopic Manuscript In The Library Of The University Of Tübingen ; Containing An Account Of A Letter Which Is Said To Have Descendet From Heaven To St. Athanasius ; [Read befor the Syro-Egyptian Society of London, on the 8th of February, 1848] / by Charles T. Beke