Numismatic Literature,Tye, Robert & Monica, Jitals: A Catalogue and Account of the Coin Denomination of Daily Use in Medieval Afghanistan and North West India, Chippenham, Wiltshire, UK, 1995, 188 pages, hardcover, well organized with first part showing coins of each broad type with ruler name and dynasty mainly for identification purpose. The second part of the book is about the numismatic history of the rulers. The third and final part of the book is the actual catalog with nice line drawings of the various coin types/varieties, metal used, scarcity etc.; overall a must have for people who collect the "Horseman and Bull" series and related coinage of medieval North India and Afghanistan, out of print and hard to find, RRR.