1. Khāliṣat al-ḥaqāʾiq / Maḥmūd ibn Aḥmad al-Fāryābī Creator: Farābī, Maḥmūd ibn Aḥmad, d. 1210 Published / Created: 1535 or 36 Call Number: Landberg MSS 587 Image Count: 173 Found in: Beinecke Rare Book and Manuscript Library > Khāliṣat al-ḥaqāʾiq / Maḥmūd ibn Aḥmad al-Fāryābī