Annals of the early Caliphate from the death of Mahomet to the Omeyyad and Abbaside dynasties A.H. XI-LXI (A.D. 632-680) from original sources

Note 213 — Chapter XIV · ACCESSION OF OMAR—REINFORCEMENTS FOR IRAC—CAMPAIGN THERE UNDER ABU OBEID AND MOTHANNA. Jumâd II., A.H. XIII.—Moharram, A.H. XIV. August, A.D. 634–March, A.D. 635.

Reading edition

Sura, VIII. v. 14.