books.google.co.uk - The English Exchequer of the twelfth century developed sophisticated notarial and administrative skills and was an important precursor to the modern centralized state. Poole examines its history, organization and primary documents, including the pipe rolls and red and black books, and demonstrates that...http://books.google.co.uk/books/about/The_Exchequer_in_the_Twelfth_Century.html?id=ipP-NRlJH50C&utm_source=gb-gplus-shareThe Exchequer in the Twelfth Century
