Abubacer[1] sive Abubecer[2] (Arabice أَبُو بَكْرٍ), plenius ʾAbū Bakr ʿAbdullah ibn ʿUṯmān (Arabice أَبُو بَكْرٍ عَبْدُ ٱللهِ بْنِ عُثْمَانَ; natus circa annum 573; mortuus die 23 Augusti634), fuit comes (Arabicesahabah) et, per Aisam[3]filiam,[4]socerMahometiprophetaeIslamici primusque ex caliphisRascidunicis.[5]ʾAbū Bakr aṣ-Ṣiddīq (أبو بكر الصديق) saepe appellatur. Diem supremum morbo ignoto post regnum binorum annorum, binorum mensium, quattuordecim dierum obiit.
De nomine vide Iohanni Henrici Hottingeri librum Historia Orientalis quae ex variis orientalium monumentis collecta, Tiguri, anno 1660 (pag. 329 apud Google Books).
Madelung, Wilferd. 1998. The Succession to Muhammad: A Study of the Early Caliphate. Cantabrigiae: Cambridge University Press. ISBN 978-0-52-164696-3. Google Books.
Muir, William. 1924. The Caliphate: its rise, decline and fall; from orig. sources. Nova editio. Edimburgi: Grant.
Muranyi, Miklos. 1978. "Ein neuer Bericht über die Wahl des ersten Kalifen Abū Bakr." Arabica 25: 233–60.
Rogerson, Barnaby. 2008. The Heirs of Muhammad: Islam's First Century and the Origins of the Sunni-Shia Split. Overlook. ISBN 978-1-59-020022-3. Google Books.
Rogerson, Barnaby. 2010. The Heirs of the Prophet Muhammad and the Roots of the Sunni-Shia Schism. Little, Brown Book Group. ISBN 978-0-74-812470-1. Google Books.
Shoufany, Elias. 1973. Al-Riddah and the Muslim Conquest of Arabia. Toronti: University of Toronto Press.
Walker, Adam. 2014. "Abu Bakr al-Siddiq." In Muhammad in History, Thought, and Culture: An Encyclopedia of the Prophet of God, 2 volumina, ed. C. Fitzpatrick et Adam Walker. Barbaropoli: ABC-CLIO.
Watt, William Montgomery. "Abū Bakr." The Encyclopaedia of Islam. Nova editio: 1:109–112.