- Islamic Empire--Politics and government (20)
- Caliphate (7)
- Political science--Islamic Empire--History (5)
- Islam and state (4)
- Baghdad (Iraq)--History (3)
- Islamic law (2)
- 167.2 (1)
- Abbasids (1)
- Ayyubids (1)
- Constitutional history, Medieval (1)
- Damascus (Syria)--History (1)
- Dhimmis (1)
- Iran--History--640-1500 (1)
- Iran--Politics and government (1)
- Iraq--History--634-1534 (1)
- Islam and state--History (1)
- Islamic Empire -- Politics and government (1)
- Islamic Empire$xHistory, Military--Encyclopedias (1)
- Islamic Empire--History--661-750 (1)
- Islamic Empire--Politics and government--Encyclopedias (1)
- Islamic countries--History, Military--Encyclopedias (1)
- Monarchy--Iran--History--To 1500 (1)
- Omayyads (1)
- Political parties--Islamic Empire (1)
- Seljuks (1)
- Shiites--History (1)
- Syria--History--750-1260 (1)