The principles of human knowledge and Three dialogues between Hylas and Philonous / edited with an introduction by G. J. Warnock. Treatise concerning the principles of human knowledge Three dialogues between Hylas and Philonous Berkeley, George 1685-1753. Warnock, G. J. (Geoffrey James), 1923- Berkeley, George, 1685-1753. Three dialogues between Hylas and Philonous. Knowledge, Theory of. Idealism. Soul. 121 20 BEP The first essay was originally published under title: A treatise concerning the principles of human knowledge. Includes bibliographical references and index London : Collins, 1962 1962 1966 Text 288 p. : eng The Fontana library