Al-Shahrastani’s Al-Milal wa al-Nihal is arguably the most important objective study of religious sects and philosophical schools in Islamic history. The title translates roughly to "The Sects and Creeds" or "Religions and Denominations."
Written in the 12th century, this monumental work offers a window into how classical Islamic scholars categorized the diverse belief systems of their era. The Importance of Al-Shahrastani’s Masterpiece al-milal wa al-nihal english pdf
This is the most reliable source for free, legal PDFs. You can search for the translation by A.K. Kazi and J.G. Flynn . Search Term: Al-Shahrastani Muslim Sects and Divisions PDF Al-Shahrastani’s Al-Milal wa al-Nihal is arguably the most
Key English translations and editions (concise overview) al-milal wa al-nihal english pdf