Citralakṣaṇa (Ri mo'i mtshan nyid). Peking Tanjur, no. 5806. No author given. No translators named.
Asoke Chatterjee Sastri, ed., The Citralakṣaṇa: An Old Text of Indian Art, Sanskrit, Tibetan and English Version, Bibliotheca Indica Series no. 315 (Calcutta 1987).
B. N. Goswamy and A. L. Dahmen-Dallapiccola, The Citralakṣaṇa of Nagnajit, Manohar (New Delhi 1976).
Berthold Laufer, ed., Das Citralakshaṇa. Nach d. tibetischen Tanjur hersg. u. übers. von Berthold Laufer (Leipzig 1913).
Ajay Mitra Shastri, Nagnajit and His Citralakṣaṇa, Bhāratīya Vidyā, vol. 22 (1962), pp. 57-62.
Gustav Roth, Notes on the Citralakṣaṇa and Other Ancient Indian Works on Iconometry, South Asian Archaeology 1987, part 2, ed., Maurizio Taddei, Istituto Italiano per il Medio ed Estremo Oriente (Rome 1990), pp. 979-1028.
Tucci, TPS, p. 291 (author of the Citralakṣana, translated by B. Laufer).
See Lo Bue in Skorupski, ed., Indo-Tibetan Studies (Tring 1990), p. 195, says it is a 6th to 7th century text of non-Buddhist origin.