Senior, R. Indo-Scythian Coins and History. (London, 2001; supplement: London, 2006).

Volume. 1: An Analysis of the Coinage.
Volume. 2: The Illustrated Catalogue of Indo-Scythian and Indo-Parthian Coins.
Volume. 3: The 'Easy Finder' Catalogue of Types, Monograms and Letters appearing on Indo- Scythian and Indo-Parthian Coins.
Volume. 4: Supplement. Additional Coins and Hoards. The Sequences of Indo-Greek and Indo-Scythian Kings.