Also published: New York : C.N. Potter, 1977.
Bibliography: p.39-42. _ Includes index.
Lewis Carroll's 'Symbolic logic' ... : Part I, elementary, 1896, fifth edition ; Part II, advanced, never previously published ; together with letters from Lewis Carroll to eminent nineteenth-century by Lewis Carroll. ISBN 0855279745. Published by Harvester Press in 1977. Publication and catalogue information, links to buy online and reader comments.