Collier's encyclopedia : With bibliography and index /
Editorial director : Lauren S. Bahr ; Editor in chief : Bernard Johnston.
- New York ; Toronto ; New York : Macmillan Educational Co. ; Maxwell Macmillan Canada ; Maxwell Macmillan International, 1992.
- 24 v. : ill. (some col.), maps (some col.) ; 28 cm.
- 031 .