Islam. These are al-Kafi fi 'ilm al-din (The Sufficient in the Knowledge of Religion) by Thiqat al-Islam Muhammad ibn Ya'qub al-Kulayni (d. 329/940), Man la yahduruhu al-faqih (For him not in the Presence of Jurisprudent) of Shaykh al-Saduq Muhammad ibn Babuyah al-Qummi (d. 381/991), Tahdhib al-ahkam (Rectification of the Statutes) by Shaykh al-Ta'ifah Muhammad al-Tusi (d. 460/ 1068) and al-Istibsar fi ma ukhtulif fihi min al-akhbar (Reflection upon the Disputed Traditions) also by al-Tusi. Books that have been found about and of the hadiths in Sunni Islam, such as those of al-Bukhari and Muslim, have only sayings from and about the Prophet.
             ...