Risālatān lil-ʿAllāmah al-Shahīr Abī Ḥayyān al-Tawḥīdī

[Two works, namely : al-Risālah fī al-ṣadāqah wa-al-ṣādiq, containing a collection of verses and extracts on friendship and friends, followed by a brief survey of the sciences, entitled al-Risālah fī al-ʿulūm.].