The Persian geographer of the 9th century Ibn Khurradadhbih (died 911) was the first to cite the Byzantine lira, as a typical bowed instrument of the Byzantines (Margaret J. Kartomi, 1990).
Along with maps, the book also includes descriptions of the land, people and culture of the Southern Asian coast as far as Brahamputra, The Andaman Islands, peninsular Malaysia and Java.
•
In this capacity ibn Khordadbeh served as both postmaster general and the Caliph's personal spymaster in that vital province.
The city's fortifications were strong, with a wide moat and a thick wall protected by 44 towers, according to the contemporary geographer Ibn Khordadbeh, and the caliph assigned each of his generals to a stretch of the walls.
Ibn Khaldun | Ibn Battuta | Husayn ibn Ali | Hasan ibn Ali | Ibn Hisham | Jābir ibn Hayyān | Ibn Ezra | Abraham ibn Ezra | Tariq ibn Ziyad | Ibn Battuta Mall | Ibn Arabi | Solomon ibn Gabirol | Ibn Saud | Ibn Hawqal | Ibn Ezra (disambiguation) | Abu Sufyan ibn Harb | Yusuf ibn Tashfin | Qazan Khan ibn Yasaur | Muhammad ibn Jarir al-Tabari | Imam Muhammad ibn Saud Islamic University | Ibn Khordadbeh | Ibn Abi Zar | Hisham ibn Abd al-Malik | Amrus ibn Yusuf | Akhnas ibn Shariq | Abu'l-Fazl ibn Mubarak | Abd al-Aziz ibn Musa | Zayyan ibn Mardanish | Ubayda ibn as-Samit | Sulayman ibn Abd al-Malik |
Ibn Khordadbeh mentioned Khalajes lived beyond Syr Darya of the Talas region in his book Kitāb al-Masālik w’al- Mamālik with Karluks.