HEYWORTH M.F. 536,488 TOPICS c.d. Vol.4. - ed. by S.C. Truelove and J.A. Ritchie. - [1976]. - X, 384 s. Vol.5. - ed. by S.C. Truelove and Emanoel Lee. - [1977]. - X, 349 s. Vol.6. - ed. by S.C. Truelove and H.F. Heyworth. - [1978]. - XII, 346 s. ISBN 0-632-00229-8 vol.4 ISBN 0-632-00202-6 vol. 5 ISBN 00-632-00143-7 vol.6