CRL has acquired several components of the collection of Arabic Manuscripts in the British Library. These include:
- Ḥadīth: Collections of traditions and statements of Muhammad, along with commentaries and critical works. Catalog Record.
- Kalām: theological debates and texts on the Qur'an. Catalog Record.
- Islamic mysticism & philosophy: works of Moslim philosophers in all fields of philosophical study. Subsets include:
12th century to 1800