TY  - BOOK
AU  - Mason Herbert
TI  - Two statesmen of medieval Islam :  Vizir Ibn Hubayra (499-560) AH/1105-1165 AD) and Caliph an Nasir li Din Allah (553-622)AH/1158-1125 AD)
U1  - V467y7F58, L2 
PY  - 1972///
CY  - The
PB  - Hague Mouton      
KW  - HISTORY
N1  - Bibliography p141-146
ER  -