ʻUbayd ibn Saʻīd Shaqṣī

• Dawāfiʻ istikhdāmāt al-wafidīn fī Salṭanat ʻUmmān li-wasāʼil al-ittiṣāl al-mukhtalifah wa-al-ishbāʻāt al-mutaḥaqqiqah