Includes: PUB 541/1 - Principles in Practice: a series of Bow Group essays for the 1960's, Leonard Beaton, Alec Campbell, David Fairbairn, Geoffrey Howe, Godfrey Hodgson, David Howell, James Lemkin, Russell Lewis and Timothy Raison, Conservative Political Centre on behalf of The Bow Group, Feb 1961 [CPC 223, pp. 140] PUB 541/2 - …