One of them is numbered among the books of the fundamentals (usul).

One of them is numbered among the books of the fundamentals (usul). He reported on the authority of Abu ‘Abd Allah al-Sadiq. Safwan b. Yahya reported on his authority.[^31] Al-Husayn bin Thuwayr Al-Najashi said: “Al-Husayn bin Thuwayr b. Abu Fakhta, Sa‘ïd b. Hamran, was the retainer of Umm Hani, daughter of Abu Talib. He reported on the authority of Abu Ja‘far and of Abu ‘Abd Allah, peace be on them. He was reliable. Abu al-‘Abbas and others mentioned him.

He has a book on rare things.[^32] Al-Husayn bin Hammad Shaykh al-Tusi numbered him as one of the companions of Imam al-Baqir, peace be on him.[^33] Al-Najashi said: “Al-Husayn b. Hammad b. Maymun al-‘Abdi was…