al- Khilāfah wa-niẓām al-ḥukm fī al-dawlah al-Islāmīyah
Subtitle: dirāsah tārīkhīyah taḥlīlīyah
By: bi-qalam Ṣābir Muḥammad Diyāb Ḥusayn.
Publisher: Tawzīʻ Dār al-Anṣār
Published: 1980
Place of publication: [al-Qāhirah]
Language: ara
Number of pages: 208
Subjects: Caliphate.; Islamic Empire -- History -- 622-661.; Islamic Empire -- History -- 661-750.
Notes: Bibliography: p. [199]-206.