The brewing industry A study in industrial organisation and public policy by Kevin H. Hawkins, C.L. Pass Hardcover, 169 Pages, Published 1979 by Heinemann ISBN-13: 978-0-435-84399-1, ISBN: 0-435-84399-0
The silver coins of England Arranged and described, with remarks on British money, previous to the Saxon dynasties by Edward Hawkins Hardcover, 308 Pages, Published 1976 by Sanford J. Durst Numismatic Publications ISBN-13: 978-0-85119-006-8, ISBN: 0-85119-006-5