1. Harvard University, MS Arab 347 DS ID: DS11301 Title: Fann al-bayān Author: Shaykh Saduq Date: 613 [1216 or 1217
2. Harvard University, MS Arab 345 DS ID: DS11310 Title: Dalīl al-bayān Author: Shaykh Saduq Date: 665 [1266 or 1267