Oldtidsbyen Loulan, hvis ruiner ble avdekket i 1899 av den svenske forskningsreisende Sven Hedin, ligger nordvest for Lop Nor, innen fylket Ruoqiangs territorium.
Folke Bergman: Travels and Archaeological Field-work in Mongolia and Sinkiang: a Diary of the Years 1927-1934. In: Sven Hedin und Folke Bergman: History of an Expedition in Asia 1927–1935. Part IV: 1933–1935. General reports, travels and field-work. (Reports: Publication 26.), Statens Etnografiska Museum, Stockholm 1945.
V. H. Mair: The Rediscovery and Complete Excavation of Ördek's Necropolis. In: Journal of Indo-European Studies 34, 2006, No. 3/4, p. 273–318.
Alfried Wieczorek og Christoph Lind: Ursprünge der Seidenstraße. Sensationelle Neufunde aus Xinjiang, China. Reiss-Engelhorn-Museen, Mannheim. Theiss, Stuttgart 2007. ISBN 380622160X