He was their (the Imāms') retainer.

He was their (the Imāms') retainer. His kunya is Abū Ja'far. He is a trustworthy, prominent person. He narrated on the authority of Imām Abū al-Hasan al-Ridā, peace be on him. He has a book. [3] Mohammed Bin al-Husayn b. Yazid. He narrated on the authority of Imām Abū al-Hasan al-Ridā, peace be on him, and 'Ali b. Asbāt reported on his authority. [4] Mohammed Bin Hamza. Shaykh al-Tūsi numbered him as one of the companions of Imām al-Ridā, peace be on him. [5] [1] Al-Najāshi.

[2] Mu'jam Rijāl al-Hadith, vol. 16, p. 28. [3] Al-Najāshi. [4] Al-Tūsi, Rijāl. [5] Ibid. Mohammed Bin Khālid al-Barqi Shaykh al-Tūsi regarded him as one of the companions of Imām al-Ridā, peace be on him. [1] His traditions are weak. He was a writer and had good knowledge of traditions and the sciences of the Arabs.

He has books of which are: Kitāb al-Tanzil wa al-Ta'bir (the Book of Revelation and Expression), Kitāb Yawm wa Layla (the Book of one Day and Night), Kitāb al-Tafsir (the Book of Interpretation), Kitāb Mecca wa al-Medina (the Book of Mecca and Medina), Kitāb Hurūb al-Āws wa al-Khazrajj (the Book of the Fights of al-Āws and al-Khazrajj), Kitāb fi 'Ilm al-Bāri (the Book on the Knowledge of the Creator), and Kitāb al-Khutab (the Book of Orations).

[2] Mohammed Bin al-Khatib al-Ahwāzi Shaykh al-Tūsi numbered him as one of the companions of Imām al-Ridā, peace be on him. [3] Mohammed Bin Rāshid He was a door to Imām al-Ridā, peace be on him. [4] Mohammed Bin Zayd al-Rāzimi He was the servant of Imām al-Ridā, peace be on him. [5] Mohammed Bin Zayd al-Tabari He was originally from Kūfa. Shaykh al-Tūsi numbered him as one of the companions of Imām al-Ridā, peace be on him.

[6] He narrated on the authority of Imām al-Ridā, peace be on him, and Ahmed b. al-Muthannā and Marūk b. 'Ubayd reported on his authority. [7] [1] Ibid. [2] Al-Najāshi. [3] Al-Tūsi, Rijāl. [4] Mu'jam Rijāl al-Hadith, vol. 16, p. 89. [5] Al-Najāshi. [6] Al-Tūsi, Rijāl. [7] Mu'jam Rijāl al-Hadith, vol. 16, p. 111. Mohammed Bin Sālim al-Qummi Shaykh al-Tūsi numbered him as one of the companions of Imām al-Ridā, peace be on him.

[1] Mohammed Bin Sulaymān al-Daylami Shaykh al-Tūsi numbered him as one of the companions of Imām al-Ridā, peace be on him. [2] Mohammed Bin Sammā'a al-Sayrafi He was from Kūfa. Shaykh al-Tūsi numbered him as one of the companions of Imām al-Ridā, peace be on him. [3] He was trustworthy and was one of the Shi'ite prominent figures. He has the following books: A.