TY  - BOOK
AU  - Tritton, A. S. ,
TI  - The caliphs and their non-muslim subjects: a critical study of the covenant of Umar 
U1  - 297.92 
CY  - London
PB  - Oxford Universsity Press
KW  - Persian & Arabic
KW  - Caliphs, Non-muslim subjects
KW  - G-Persian Arabic
ER  -