 Ongoing efforts by both traditionally trained Muslim scholars and Western academics are making Al-Ghazali's works available in English translation for the first time, allowing English-speaking readers to judge for themselves the compatibility of Islamic Law and Sufi doctrine.All Sufi orders claim a direct chain of leadership to Muhammad, through Ali, with the exception of the Naqshbandis who claim a direct connection to Muhammad through Abu Bakr.In the eleventh century, Sufi orders (Tariqa) were instrumental in the institutional spread of Sufism.