AU  - Tritton,A.S.
TI  - The caliphs and their non-Muslim subjects: a critical study of the Covenant of 'Umar 
SN  - 0714619965
AV  - DS36.9.D47 T75 1970
PY  - 1970///
CY  - [London]
PB  - F. Cass
KW  - Dhimmis
KW  - Islamic Empire
KW  - Politics and government
N1  - Reprint of the 1930 ed; Includes bibliographical references
ER  -