YOUNG, M.J.L RELIGION,LEARNING AND SCIENCE IN THE ABBASID PERIOD / YOUNG, M.J.L - [S.N] : CAMBRIDGE UNIVERSITY PRESS ، 1990 - 587 P Subjects--Topical Terms: WORLD HISTORYISLAMIC EMPIRE - INTELLECUTAL LIFEISLAM - CIVILIZATION Dewey Class. No.: 909.09761 / Y R