The commercial revolution of the Middle Ages, 950-1350
Lopez, Robert Sabatino,1910-
Cambridge Cambridge University Press
1976
First ed. originally published: Englewood Cliffs ; Hemel Hempstead : Prentice-Hall, 1971
Bibliography: p.169-175. - Includes index
ISBN 0-521-29046-5 Pbk : £1.95
Economic history