The New Encyclopaedia Britannica : [in 29 vol. + 2 vol. index, and Britannica world data (annual), propaedia outline of knowledge =
Encyclopedia Britannica /
- 15th ed.
- Chicago, Ill. : Encyclopaedia Britannica, 1990.
- 33 v. : ill. (some col.) ; 29 cm.
v. 1-12. Micropœdia -- v. 13-29. Macropœdia -- [30] Propœdia --