SUBJECT
Books
41
Classification
41
Politics and government
25
Foreign relations
23
Economic conditions
8
Fishes
8
History
8
Antiquities
7
Catalogs
7
Philology
7
Bibl
6
Incunabula
6
Medicine
6
Statistics
6
United States
6
World War, 1939-1945
6
Agriculture
5
Environmental policy
5
Indians of North America
5
Law and legislation
5
Population
5
Cities and towns
4
Classification, Library of Congress
4
Colonial question
4
Education
4
Elections
4
Labor laws and legislation
4
Planning
4
Presidents
4
Speeches in Congress
4
Youth
4
Art
3
Bibliography
3
Classical philology
3
Commerce
3
Congresses
3
Constitutional law
3
Drug abuse
3
Economic policy
3
Election
3
English
3
Ethnology
3
Fishing
3
Geology
3
Indians of South America
3
Indo-Iranian philology
3
Labor supply
3
Languages, Modern
3
Literature
3
Minerals
3
more ...