SUBJECT
Encyclopedias and dictionaries
Yearbooks
10
Children's encyclopedias and dictionaries
9
History, Modern
9
Current events
6
Bibliography
4
Curiosities and wonders
4
Civilization
3
History
3
Twenty-first century
3
Atlases
1
Awards
1
Best books
1
British
1
Concepts
1
Geography
1
Handbooks, vade-mecums, etc
1
History and criticism
1
Humanities
1
Hypothesis
1
Literary prizes
1
Nobel Prizes
1
Picture dictionaries
1
Questions and answers
1
Science
1
Social sciences
1
Study skills
1
Theories
1
Theory (Philosophy)
1
Two thousand eight, A.D.
1
Two thousand nine, A.D.
1
World history
1