Contents.-v.1. The agraian life of the Middle Ages, edited by M.M. Postan.-v.2. Trade and industry in the Middle Ages.-v.3. Economic organisation and policies in the Middle Ages, edited by M.M. Postan.-v.4. The economy of expanding Europe in the sixteenth and seventeenth centuries, edited by E.E. Rich and C.H. Wilson.-v.6. The industrial revolutions and after: incomes population and technological exchange (I), edited by H.J. Habakkuk and M. Postan.