| The Life, Thought and Historical Importance of Abu Yazid Al-Bistami |
| The manuscripts of parts 1 and 2 of Shams al-ʻulūm by Nashwān al-Ḥimyarī: a study of their relationship |
| The National Liberation Movement in the East |
| Theoretical Approaches to the Transmission and Edition of Oriental Manuscripts |
| The Oromo of Ethiopia, a history, 1570-1860 |
| The Prophet's Medicine. A creation of the Muslim Traditionalist Scholars |
| The Sufi Brotherhoods in the Sudan |
| The Sufi Orders in Islam |
| The Tijaniyya: A Sufi order in the modern world |
| The Trans-Saharan Book Trade: Manuscript Culture, Arabic Literacy and Intellectual History in Muslim Africa |
| The War for Muslim Minds: Islam and the West |
| The way of Abu Madyan. Doctrinal and Poetic Works of Abū Madyan Shuʻayb ibn al-Ḥusayn al-Anṣārī (ca. 509/115-16-594/1198) |
| Title Azhār al-adab fī durūs al-inšā' wa al-imlā' wa al-muṭālaʻa - mawḍūʻāt ʻaṣriyya naṯran wa šiʻran - adabiyya li-talāmīḏ al-madāris al-abtidā'iyya wa al-ṯanāwiyya wa al-mu'allimīn |
| Travels to Discover the Source of the Nile, In the Years 1768, 1769, 1770, 1771, 1772 and 1773, Five Volumes |
| Travels to Discover the Source of the Nile, In the Years 1768, 1769, 1770, 1771, 1772 and 1773, Third edition, Eight Volumes |
| Tuḥfat al-aḥbāb wa-ṭurfat al-aṣḥāb ... wa-wuḍiʻa bi-hāmišihi baʻḍ taqyīdāt wa-fawā'id ǧalīla min šarḥ al-mu'allif wa-al-Fākihī wa-al-Yamanī wa-ġayruhā li-al-fā'ida wa-ziyāda fī nafʻ al-ṭullāb |
| Tuḥfat al-iḫwān (2) fī qirā'at al-mīʻād fī Raǧab wa-Šaʻbān wa-Ramaḍān |
| Tuḥfat al-iḫwān fī qirā'at al-mīʻād fī Raǧab wa Šaʻbān wa RTuḥfat al-iḫwān fī qirā'at al-mīʻād fī Raǧab wa Šaʻbān wa Ramaḍān |
| Tuḥfat al-muḥtāǧ bi-šarḥ al-minhāǧ |
| Tuḥfat al-mulūk fī fiqh maḏhab al-Imām Abī Ḥanīfa al-Nuʻmān |
| Tuḥfat al-mulūk fī maḏhab al-aḥnāf |
| Tuḥfat al-murīd |
| Tuḥfat al-saniyya bi-šarḥ al-Muqaddima al-aǧurrumiyya |
| Tuḥfat al-ṭullāb bi-šarḥ Taḥrīr tanqīḥ al-lubāb ... wa-bi-hāmišihi Taḥrīr al-tanqīh matn hāḏihi al-šarḥ |
| Ṭuruq and ṭuruq-linked institututions in nineteenth century Egypt |
