Collier's encyclopedia with bibliography and index.
William D. Halsey, editorial director, Louis Shores, editor in chief, Robert H. Blackburn, consultant for Canada [and] Sir Frank Francis, consultant for Great Britain.
- [New York] Crowell, Collier and Macmillan, 1967.
- 762 P. ; illus. (part col.), maps (part fold., part col.) ports. 28 cm.