London George Allen & Unwin 1970 .
128 p. , âEd. originale: New York : Pantheon Books, 1970. 22 cm..
0043301525 (cloth) | 0043301533 (paper) | 9780043301524 (cloth) | 9780043301531 (paper)

Place hold on Freedom and necessity

New York, Taplinger Pub. Co. 1970 .
188 p 22 cm..
0800856708 | 9780800856700

Place hold on Oil and world power: a geographical interpretation

New York, Taplinger Pub. Co. 1970 .
188 p 22 cm..

Place hold on Oil and world power: a geographical interpretation