1. Columbia University Rare Book & Manuscript Library, MS Or 168 DS ID: DS6609 Title: Sharḥ khuṭbat al-Qāmūsa Author: Aḥmad ibn ʻAbd al-ʻAzīz Hilālī Date: 1881.
2. Columbia University Rare Book & Manuscript Library, MS X893 So1 DS ID: DS18509 Title: Travel writings Author: James Raymond Wellsted Place: New York Date: 185-