The World Book encyclopedia V.20 :
The World Book encyclopedia V.20 : Rsearch guide index /
- Chicago : World Book, c1996.
- 22 v. : ill. (some col.), col. maps ;
Vol. 22 has subtitle: Research guide/index.
071660096X
Encyclopedias and dictionaries.
R 030 / WOR/W, V.20
Vol. 22 has subtitle: Research guide/index.
071660096X
Encyclopedias and dictionaries.
R 030 / WOR/W, V.20