البشر والإبتهاج في قصة الإسراء والمعراج

A treatise that covers Isra wal Miraj written by Hassan bin Shidaad Umar ba Umar.

Arab navigation in the Indian Ocean before the coming of the Portuguese being a translation of Kitāb al-Fawāʼid fī uṣūl al-baḥr waʼl-qawāʼid of Aḥmad b. Mājid al-Najdī