The Kitāb al-Ṭabaqāt al-Kabīr (Biography of Muḥammad, His Companions and the Successors up to the Year 230 of the Hijra) by Ibn Saʿd (d. 230 A.H./845 C.E.) is the earliest extant biographical dictionary on the life of the Prophet and the early generations of Muslims. It is one of the most important historical works about the first centuries of Muslim society in Arabic. This classic Brill edition was supervised by Eduard Sachau and was originally titled Biographien Muhammeds, seiner Gefährten und der späteren Träger des Islams bis zum Jahre 230 der Flucht.

This edition was originally published by Brill between 1904 and 1940. The print version was republished in 16 paperback volumes in January 2022.

This is the online classical Arabic text edition of the Kitāb al-Ṭabaqāt al-Kabīr (Biography of Muḥammad, His Companions and the Successors up to the Year 230 of the Hijra) by Ibn Saʿd (d. 230 A.H./845 C.E.). The print version has been published between 1904 and 1940 by Brill, and a paperback reprint version was published in January 2022. This online version is published as a full text searchable product on the Scholarly Editions platform.