Incoming Resources
- Penguin, Harmondsworth, 1972
- Penguin Books, Harmondsworth, 1986,1969
- Penguin, Harmondsworth, 1994
- Penguin, Harmondsworth, 1950
- Penguin, Harmondsworth, 1973
- Penguin Books in association with William Heinemann, Harmondsworth, c1971
- Penguin, Harmondsworth, 1974
- Penguin Books, Harmondsworth, 1965