Yūḥannā ibn Sabbā‘ (13-14th centuries) was the compiler of the Coptic theological encyclopedia The Precious Jewel on the Ecclesiastical Sciences
(al-Jawharah al-nafīsah fī ‘ulūm a...ver maisYūḥannā ibn Sabbā‘ (13-14th centuries) was the compiler of the Coptic theological encyclopedia The Precious Jewel on the Ecclesiastical Sciences
(al-Jawharah al-nafīsah fī ‘ulūm al-kanīsah).ver menos