Autor
Ahmad ibn Yahya, al-Baladuri
1
Arberry, Arthur John, 1905-
1
Centro de Estudios de Historia de México Carso
1
Hitti, Philip Khûri, 1886-,
1
Ibn Khallikan, 1211-1282
1
Library of Congress
1
Muhammad ibn Haukal, siglo X
1
Murgotten, Francis Clark, 1880-,
1
Ouseley, William, 1767-1842
1
Sale, George,
1
Slane, William Mac Guckin baron de, 1801-1878,
1
Unesco
1