A Book on Coins and currency system in Vijayanagara empire by Dr. A. V. Narasimhamurthy

A Book on a schema of Indo-Baktrian Coinage by DR. K. Walton dobbins

A Book On Paper Currency In India By B.B.Das Gupta.

A Book On Standard Guide to Indian Paper Money-1947-2010 By Kishore Jhunjhunwalla, Jayesh Gala & Dilip Rajgor, N.D.Agarwal.

A Book on The Revised Standard Reference Guide to Indian Paper Money By Kishore Jhunjhunwala and Rezwan Razack-Hard Bound-2012.