Pallas, P.S. (1814)
Zoographia Rosso-Asiatica, sistens omnium animalium in extenso Imperio Rossico et adjacentibus maribus observatorum recensionem, domicilia, mores et descriptiones anatomen atque icones plurimorum. 3 vols. [1811-1814]. Petropoli, 3: i–vii + 1–428 + index(I–CXXV), Pls. 1, 13, 14, 15, 20 and 21