Paul, Pran Gopal; Paul, Debjani (1989). “Brahmanical Imagery in the Kuṣāṇa Art of Mathurā: Tradition and Innovations”. 《East and West》 39 (1/4): 111–143. JSTOR29756891.
"But what made Mathura pre-eminent among its peers, is the incomparable role it played as a major centre of religious art as well. Indeed no other ateliers are known to have produced at the same time so many images pertaining to all the three principal religious system of India: Brahmanism, Buddhism and Jainism. The unquestionable supremacy of the Mathura sculptor, at least till the beginning of the Gupta period, is further documented by the discovery of his handiwork from far-flung points of the Indian subcontinent" in Paul, Pran Gopal; Paul, Debjani (1989). “Brahmanical Imagery in the Kuṣāṇa Art of Mathurā: Tradition and Innovations”. 《East and West》 39 (1/4): 111–143. JSTOR29756891.