SUBJECT
Classification, Library of Congress
Classification
96
Books
93
History
12
Social sciences
11
Law
9
Asia
5
Science
5
Africa
4
Bibliography
4
Philosophy
4
Psychology
4
Religion
4
Technology
4
Agriculture
3
America
3
Christianity
3
Education
3
General works
3
Library science
3
Medicine
3
Methodology
3
Political science
3
Subject cataloging
3
Subject headings, Library of Congress
3
Antarctica
2
Anthropology
2
Australia
2
Classification, Dewey decimal
2
Economics
2
Eurasia
2
Folklore
2
Geography
2
German literature
2
Handbooks, manuals, etc
2
Language and languages
2
Languages, Modern
2
Least effort principle (Psychology)
2
Pacific Area
2
Philology
2
Philology and Literature
2
Philology, Modern
2
Sociology
2
Sports
2
Afrikaans literature
1
Animal culture
1
Art
1
Auxiliary sciences of history
1
Book
1
Byzantine literature
1
more ...