New York - Arabstoday
The Book of Knowledge of Sunnah and the effects, is one of the most important books of Shafi\'i, it collects evidence of the doctrine of Hadith and Sunnah, indicates paths, and covers the doctrines of al-Bayhaqi and later followers. by bu Abdullah bin idris Shafi\'i. From / Dar al-Kitab al-Arabi