Note 414 — Chapter XXVII · THE LATER YEARS OF OMAR’S REIGN—DOMESTIC EVENTS. A.H. XVII.-XXIII. A.D. 638–644.
Reading edition
For a description of the shameless demoralisation that prevailed, especially among the youth of Damascus and Baghdad, I must refer to the learned and elaborate work of H. von Kremer, Culturgeschichte des Orients unter dem Chalifen.