Behr, Wolfgang (2007), «Placed into the Right Position — Etymological Notes in Tu and Congeners», in: Bray, Francesca; Dorofeeva-Lichtmann, Vera; Métailié, Georges, Graphics and Text in the Production of Technical Knowledge in China: The Warp and the Weft, ISBN9789004160637, Brill
Buisseret, David (1998), Envisioning the City: Six Studies in Urban Cartography, ISBN0-226-07993-7, Chicago and London: University of Chicago Press.
Harper, Donald (1999), «Warring States Natural Philosophy and Occult Thought», in: Michael Loewe; Edward L. Shaughnessy, The Cambridge History of Ancient China: From the Origins of Civilization to 221 B.C., ISBN0-521-47030-7, Cambridge: Cambridge University Press, pp. 813–884.
Hsu, Hsin-mei Agnes (2009), «Structured Perceptions of Real and Imagined Landscapes in Early China», in: Raaflaub, Kurt A.; Talbert, Richard J. A., Geography and Ethnography: Perceptions of the World in Pre-Modern Societies, ISBN9781444315660, John Wiley & Sons
Yi, Xumei; Liu, Xiuwen (2010), «The calligraphy and printing cultural heritage of Gansu — the development of the engraved printing process and papermaking: an archaeological approach», in: Allen, Susan M.; Lin, Zuzao; Cheng, Xiaolan; et al., The History and Cultural Heritage of Chinese Calligraphy, Printing and Library Work, ISBN9783598441790, Walter de Gruyter
