27.他后来可能……搬到了：Travis Zadeh, Mapping Frontiers Across Medieval Islam: Geography, Translation, and the ‘Abbāsid Empire (2011): 17 (biography), 23 (Ibn Khurradadhbih’ s preface); 阿拉伯语原序言in Ibn Khurradādhbih, al-Masālik wa-l-mamālik, ed. M. J. de Goeje (1889): 3.
28.他的“道里”因而提供了……旅行时间：Marina A. Tolmacheva, “Geography.” Medieval Islamic Civilization: An Encyclopedia, ed. Josef W. Meri (2006): 1: 284-288.
29.“邦国”指的是：André Miquel, La Géographie humaine du monde Musulman jusqu’au milieu de XIe Siècle, Volumes 1-4 (1967-1988): 1: 267-285.