The New World Library: Knowledge 12

Barnas store naturleksikon

David Alderton

Children’s Encyclopedia

Scholastic

The Usborne Internet-Linked Children's Encyclopedia

Felicity Brooks, Carrie A. Seay

The World’s greatest Treasury of Health Secrets

Bottom Line

Scholastic Children’s Dictionary

Scholastics

Biology

Neil A. Campbell

Illustrert vitenskap årbok 2001

Illustrert vitenskap

2000 Things You Should Know About World History

Vår utrolige verden

Jon Richards

The Pocket Encyclopedia of Mind, Body, Spirit and Earth

Joanna Crosse

World atlas of wildlife

Libri Arte Verdens Atlas

Forlaget Libri

World reference atlas

Ian Castello-Cortes

Verden i dag bind 1-24. Illustrert Vitenskap. 1994-1997.

Flere

Vitenskapens verden: jordens utvikling.

Illustrert vitenskaps

Vitenskapens Verden 23: Leksikon A-K

Dr. Bernard Dixon

Vitenskapens Verden 24: Leksikon L-Å

Dr. Bernard Dixon

The 1990s & Beyond

Edward Cornish

An A to Z of British Life

Verdens land og folk Storbritannia

Time-life

Life Through The Ages (Windows on the World Series)

Giovanni Caselli

The New Encyclopaedia Britannica 1986

Div bidragsytere

Verdens land og folk sovjetunionen

Time-life

Verdens land og folk Kina

Time-life

THE NEW UNIVERSAL ENCYCLOPEDIA

Sir John

Pax leksikon

The Atlas of Mankind

Mitchell Beazley

Geografisk leksikon. Bd. 4

Gunnar Wicklund-Hansen

Who’s Who in The World

Marquis null

Encyclopaedia Britannica 1 - 30

The New World Library

Tom Stacey

Demographic Yearbook

United Nations

Livets Utvikling

Julian Huxley

Fasiten 1967

Johnson, Lauritz

The Encyclopedia Americana Annual Yearbooks

Americana Corporation

Gyldendals verdensatlas

Halstein Myklebost

Naturleksikon

Verden i dag

Odd Sættem