This volume is primarily concerned with the establishment of the University in the twelfth and thirteenth centuries and the development of its studies in the high age of scholasticism, up to the great philosophical debate between William of Ockham and his Mertonian opponents in the fourteenth century. Contributors: R. W. Southern, M. B. Hackett, C. H. Lawrence, J. I. Catto, M. W. Sheehan, J. R. L. Highfield, T. H Aston, R. Faith, J. M. Fletcher, P. O. Lewry, J. A. Weisheipl, J. L. Barton, L. E. Boyle, Jean Dunbabin.