TY - BOOK AU - Mason,Herbert, x AU - x TI - Two statesmen of mediaeval Islam: Vizir Ibn Hubayra (499-560 AH/ 1105-1165AD) and Caliph an -Nasir Li Din Allah (553-622 AH /1158-1225 AD) SN - x U1 - 219.927/M331t PY - 1972/// CY - Paris PB - Moutn KW - Ibn hubayra, Vizir - Criticism and interprestation KW - An-Nasir li Din Allah - Criticesm and interpreatation N1 - x ER -