Unified mathematics, by P. B. Lawson Part 3. Pp. viii, 266. With answers 95p, without answers 90p. 1970 (University Tutorial Press) - Unified mathematics, by P. B. Lawson Part 4. Pp viii, 351. With answers £1·20, without answers £1·15. 1972 (University Tutorial Press) - Unified mathematics, by P. B. Lawson Part 5. Pp viii, 335. With answers £1·35, without answers £1·30. 1973 (University Tutorial Press)

Hayman, Margaret

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