|av. 1. Science and technology / edited by A.J. Walford, with the editorial collaboration of Marilyn Mullay and Priscilla Schlicke -- v. 2. Social and historical sciences, philosophy and religion / edited by Alan Day and Joan M. Harvey, with the editorial collaboration of Marilyn Mullay -- v. 3. Generalia, language & literature, the arts / edited by Anthony Chalcraft, Ray Prytherch, and Stephen Willis.