edited by George F. Wieland and Hilary Leigh ; assisted by Elizabeth Barnes ; introduction by R.W. Revans ; foreword by W.J.H. ButterfieldTavistock Publications1974
edited by George F. Wieland and Hilary Leigh; assisted by Elizabeth Barnes; introduction by R. W. Revans; foreword by W. J. H. ButterfieldTavistock Publications1971