Title: Kitāb al-Muwāzanah bayna Abī Tammām wa-al-Buḥturī
People: Abū Tammām Ḥabīb ibn Aws al-Ṭāʼī (active 808-842), Buḥturī, al-Walīd ibn ʻUbayd (approximately 821-897 or 898)