Webster, C. K. What is the problem of peaceful change?
Toynbee, A. J. The lessons of history.
Robbins, L. C. The economics of territorial sovereignty.
Gregory, T. E. The economic bases of revisionism.
Mair, L. P. Colonial policy and peaceful change.
Mannheim, K. The psychological aspect.
Lauterpacht, H. The legal aspect.
Manning, C. A. W. Some suggested conclusions.