SUBJECT
Classification
Books
138
Classification, Library of Congress
29
Cataloging
17
History
12
Literature
12
Law
9
Philology
7
Social sciences
7
Information organization
6
Science
6
Religion
5
Subject headings
5
Indexing
4
Information storage and retrieval systems
4
Library science
4
Music
4
Classical philology
3
Classification, Dewey decimal
3
Geography
3
Indo-Iranian philology
3
Languages
3
Languages, Modern
3
Oriental philology
3
Philosophy
3
Political science
3
Agriculture
2
American literature
2
Anthropology
2
Bibliography
2
Education
2
English literature
2
Folklore
2
French literature
2
General works
2
German literature
2
Government publications
2
Inscriptions
2
Italian literature
2
Medicine
2
Military science
2
Naval science
2
Philology and Literature
2
Portuguese literature
2
Psychology
2
Sociology
2
Spanish literature
2
Sports
2
Technology
2
Africa
1
more ...