The World Book encyclopedia. Volume 12., L.
The World Book encyclopedia. Volume 1., A.
The World Book encyclopedia of science. Volume 6., The animal world.
The World Book encyclopedia of people and places : Volume 1. A-C. Afghanistan to Czech Republic /
The World Book encyclopedia of people and places : Volume 2. D-H. Denmark to Hungery /
The World Book encyclopedia of people and places : Volume 3. I-L. Iceland to Luxembourg /
The World Book encyclopedia of people and places : Volume 4. M-R. Macao to Rwanda /
The World Book encyclopedia of people and places : Volume 5. S-T. Saint Christopher and Nevis to Tuvalu /
The World Book encyclopedia of people and places : Volume 6. U-Z. Uganda to Zimbabwe/Index /
The World Book medical encyclopedia. : Your guide to good health.
The World Book encyclopedia. Volume 23. Australasia A-L.
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 encyclopedia. Volume 23. Britain and Ireland A-H.
The 1989 World Book year book. : The annual supplement to The World Book encyclopedia. A review of the events of 1988.
The 1990 World Book year book. : The annual supplement to The World Book encyclopedia. A review of the events of 1990.
The 1991 World Book year book. : The annual supplement to The World Book encyclopedia. A review of the events of 1990.
The 1993 World Book year book. : The annual supplement to The World Book encyclopedia. A review of the events of 1992.
The 1996 World Book year book. : The annual supplement to The World Book encyclopedia. A review of the events of 1995.