↑L., Tignor, Robert (24 October 2013). Worlds together, worlds apart. Adelman, Jeremy,, Aron, Stephen,, Brown, Peter, 1935-, Elman, Benjamin A., 1946-, Liu, Xinru,, Pittman, Holly (Fourth edition, [Two volume edition] ed.). New York. ISBN978-0393922080. OCLC870312289.
↑Durrant, Stephen (2017). "Chapter 13: Histories (Shi 史)". The Oxford Handbook of Classical Chinese Literature (1000 BCE-900CE) (e-book ed.). New York: Oxford University Press. pp. 195–196.
Hill, John (2015). Through the Jade Gate - China to Rome: A Study of the Silk Routes 1st to 2nd Centuries CE. Volumes I & II. CreateSpace.
Yu, Taishan. 2004. A History of the Relationships between the Western and Eastern Han, Wei, Jin, Northern and Southern Dynasties and the Western Regions. Sino-Platonic Papers No. 131 March, 2004. Dept. of East Asian Languages and Civilizations, University of Pennsylvania.
Wylie, Alexander (1882). "Ethnography of the After Han Dynasty". Revue d'Extrême-Orient. Paris: Ernest Leroux. 1: 52–83, 198–246, 423–478. hdl:2027/mdp.39015011559534. Contains Wylie's English translation of Volumes 85 (History of the Eastern Barbarians), 86 (History of the Southern and South-Western Barbarians) and 87 (History of the Western Keang) of the Book of the Later Han.
Silk Road Seattle - University of Washington (The Silk Road Seattle website contains many useful resources including a number of full-text historical works, maps, photos, etc.)
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