Errington, Elizabeth, (1993). "In search of Pa-lu-sha, a city of the central Gandhara plain", in: Bulletin of the Asia Institute, New Series, Volume 7, p. 63: "[R]egarding the Tan-to-lo-ka mountain visited by Xuanzang 'above twenty li' (4 miles/6.4 km) to the northeast of Pa-lu-sha [...], for if the latter is identified as Sahri Bahlol, it seems that the former must be equated with the Takht-i-Bāhi hill."
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Beal, Samuel, (ed. & trans.), (1884). Si-yu-ki: Buddhist Records of the Wester World, Volume 1, Author: Huen Tsang, p. 112: "Outside the eastern gate of the town of Po-lu-sha is a sangharama with about fifty priests, who all study the Great Vehicle. Here is a stupa built by Asoka-raja [...] To the north-east of Po-lu-sha city about 20 li or so we come to Mount Dantaloka. Above a ridge of that mountain is a stupa built by Asoka-raja."