The 1981 world book year book. : the annual supplement to the world book encyclopedia.

Samankaltaisia teoksia

• The 1982 world book year book. : the annual supplement to the world book encyclopedia.
  Julkaistu: (1982)
• The 1983 world book year book. : the annual supplement to the world book encyclopedia.
  Julkaistu: (1983)
• The 1984 world book year book. : the annual supplement to the world book encyclopedia.
  Julkaistu: (1984)
• The 1985 world book year book. : the annual supplement to the world book encyclopedia.
  Julkaistu: (1985)
• The 1986 world book year book. : the annual supplement to the world book encyclopedia.
  Julkaistu: (1986)