1 literature reference for Lacerta variabilis PALLAS 1814:

Author: Pallas, P. S.
Year: 1814
Title: Zoographia Rosso-Asiatica, sistens omnium in extenso Imperio Rossico , et adjacentibus maribus observatorum recensionem, domicilia, mores et descriptiones, anatomen atque icones plurimorum. Vol. 3.
Source: Caesarea Academie Scientiarum; Petropoli. 428pp.