[Pramāṇa](https://indike.org/pramana/) › People › Abu l-Maʿali Muhammad b. ʿUbayd Allah # Abu l-Maʿali Muhammad b. ʿUbayd Allah (Abū l-Maʿālī Muḥammad b. ʿUbayd Allāh) Author of the Persian heresiography Bayān al-adyān (1092). ## Works (1) - [بیان الادیان (بیان الأدیان)](https://indike.org/pramana/inf.isl.fa.milal.bayan-al-adyan) — Persian; 1092 CE; catalogued, text not yet digitised --- Source: [https://indike.org/pramana/person/abul-maali](https://indike.org/pramana/person/abul-maali) · Pramāṇa