00558cam a22002171 4500 ne 64002950 DLC 20260227111807.0 890402s1964 xx b 000 0 ara ne 64002950 (OCoLC)23520434 DLC MiU DLC premarc DS238.A4 H3 1964 Haykal, Muḥammad Ḥusayn, 1888-1956 al-Ṣiddīq Abū Bakr. 1964. 410 p. fold. map. 24 cm. Romanized. Abū Bakr, Caliph, -634. 47593 47593