Incoming Resources
- Penguin Books, Harmondsworth, Eng, Baltimore, 1964
- Penguin Books, Harmondsworth, Eng, 1946, c1901
- Penguin Books, Harmondsworth, Eng, New York, 1977, c1974
- Penguin Books, Harmondsworth, Eng, New York, 1979, c1972
- Penguin Books, Harmondsworth, Eng, Baltimore etc., 1976, c1975
- Penguin Books, Harmondsworth, Eng, Baltimore, 1950
- Penguin Books, Harmondsworth, Eng, Baltimore, 1972
- Penguin Books, Harmondsworth, Eng, Baltimore, 1965