The Encyclopaedia of Islam 
edited by H.A.R. Gibb .. [et al]. 
 - London  Lyzac & Co  1956 
<br/><br/> V 2.(various pagings).-(Heinemann books on sociology, ed: Donald Guna Macrac).-(V.2: Reason and unreason on society). 
<br/><br/><label>Dewey Class. No.: </label>297.03  / E73E