Incoming Resources
- Penguin Books, Harmondsworth, Eng., 1970
- Penguin Books, Harmondsworth, Eng., New York, 1979
- Penguin Books, Harmondsworth, Eng., 1974-1976, c1969-1971
- Penguin Books, Harmondsworth, Eng., Baltimore, 1973
- Penguin Books, Harmondsworth, Eng., 1971
- Penguin Books, Harmondsworth, Eng., 1982
- Penguin Books, Harmondsworth, Eng., 1962
- Penguin Books, Harmondsworth, Eng., 1972
- Penguin Books, Harmondsworth, Eng., 1964, ©1963