Mich. Ms. 158.17Shenoute of Atripe (ca. 348-465). Canon 4, Why, O Lord: 233-4. Parchment.  First leaf of a two-leaf fragment (bifolium). Recto. White Monastery, Sohag (Egypt). Fragments of the same manuscript are kept in Naples, Vienna, Cairo, Paris, London, and Cambridge. ca. 7th-8th century. Parchment; 26 x 21.7 cm.