Naẓarīyāt al-khalīfatayn
By: taʾlīf Najāḥ al-Ṭāʾī.
Edition: al-Ṭabʻah 1.
Publisher: Maṭbaʻat al-Hudá
Published: 1998
Place of publication: Bayrūt
Language: ara
Subjects: Abū Bakr, -- Caliph, -- d. 634.; ʻUmar ibn al-Khaṭṭāb, -- Caliph, -- d. 644.; Caliphate.; Islamic Empire -- History -- 622-661.
Notes: Includes bibliographical references.