SUBJECT
Subject headings
Abstracting and indexing
13
Medicine
8
Classification
7
Economic development
7
Education
7
Population
7
Thesauri
7
Subject cataloging
6
Subject headings, Library of Congress
6
Birth control
5
Indexing
5
Subject headings, French
5
Classification--Books
4
Anatomy
3
Bibliography
3
Books
3
Dictionaries
3
Economics
3
Information retrieval
3
Information storage and retrieval systems
3
Labor
3
Library science
3
Music
3
Social sciences
3
Subject headings, Spanish
3
Women
3
Agriculture
2
Cataloging
2
Cataloging of pictures
2
Classification, Decimal
2
Commerce
2
Diseases
2
Engineering
2
English language
2
Environmental sciences
2
Exports
2
Filipiniana
2
Form headings
2
Geology
2
Housing
2
Human anatomy
2
Industrial relations
2
Information science
2
International cooperation
2
International economic relations
2
Law
2
Medical Waray
2
Newspapers
2
Pangasinan language
2
more ...