Balckburn, Mark books & textbook
Medieval European Coinage: Volume 1, The Early Middle Ages (5th–10th Centuries) (Medieval European Coinage, Series Number 1)
Grierson, Philip Balckburn, Mark
Cambridge University Press /2007-07-02 Paperback / 704 Pages
isbn-10: 052103177X / isbn-13: 9780521031776
