Thư mục

• Curzon, George Nathaniel. 1896. The Pamirs and the Source of the Oxus. Royal Geographical Society, London. Reprint: Elibron Classics Series, Adamant Media Corporation. 2005. ISBN 1-4021-5983-8 (pbk); ISBN 1-4021-3090-2 (hbk).
• Hill, John E. (2009). Through the Jade Gate to Rome: A Study of the Silk Routes during the Later Han Dynasty, First to Second Centuries CE. John E. Hill. BookSurge. ISBN 978-1-4392-2134-1.
• 库尔班, 西仁, 马达 力包仑, and 米尔扎 杜斯买买提. 中国塔吉克史料汇编. Urumuqi: 新疆大学出版社, 2003. ISBN 7-5631-1792-X.