The teatise Al-Fiqh Al-Akbar (The Greater Knowledge) has for Centuries been accepted as a reliable work on ISLAMIC beliefs As one of the earliest Works Written on the Subject and as one of the surviving works of the Great Imam of Jurisprudence and theology Abu Hanifa , Nu'man ibn Thabit Al-Kufi(d. 15-01-767 ) The text has been widely studied Around the Muslim World for Centuries