11. Princeton University, Islamic Manuscripts Garrett no. 4491Y DS ID: DS17050 Title: ʻUlūm al-ḥadīth Author: Ibn al-Salah Place: Jerusalem Date: 1398
12. University of Pennsylvania, Halper 397 DS ID: DS26087 Title: Letter Author: ʹAli ben Yeḥezḳel, ha-Kohen, 11th century Place: Jerusalem Date: 1060?