Basic English international second language : a revised and expanded version of the system of basic English /
by C.K. Ogden ; authorized by the Orthological Institute and prepared by E. C. Graham ; with a foreword by L. W. Lockhart.
- New York : Harcourt, Brace & World, 1968.
- xii, 525 p. :
"A revised and expanded version of [the author's] The system of Basic English."