The 1991 world book year book :
The 1991 world book year book : the annual supplement to the world book encyclopedia : A review of the events of 1990 /
edited by Robert O. Zeleny.
- London : World book inc, c1991.
- , p. : ill. ; 24 cm.
Includes bibliographical references and index.
Year book.
030
Includes bibliographical references and index.
Year book.
030