The World Book dictionary. Volume one, A-K /
The World Book dictionary Volume two, L-Z /
The 1989 World Book year book. The annual supplement to The World Book
The 1990 World Book year book. The annual supplement to The World Book
The 1994 World Book year book. : The annual supplement to The World Book encyclopedia.
The 1993 World Book. Year Book. : The annual supplement to the World Book encyclopedia. /
The World Book atlas
The World Book encyclopedia. Volume 12., L.
The World Book encyclopedia. Volume 1., A.
The World Book atlas.
The world book encyclopedia. Volume 1: A.
The world book encyclopedia. Volume 2: B.
The world book encyclopedia. Volume 3: C-Ch.
The world book encyclopedia. Volume 4: Ci-Cz.
The world book encyclopedia. Volume 5: D.
The world book encyclopedia. Volume 6: E.
The world book encyclopedia. Volume 7: F.
The world book encyclopedia. Volume 8: G.
The World Book dictionary. Volume two, L-Z /
The Barnhart concise dictionary of etymology /
The Hammond Barnhart dictionary of science. /