SUBJECT
History
47
Description and travel
16
Encyclopedias and dictionaries
16
Chemistry
15
Electronic encyclopedias
14
Science
12
Study and teaching
12
Politics and government
11
Social conditions
9
Social life and customs
9
Introduced organisms
8
Databases
7
Economic conditions
7
Electronic reference sources
7
Atlases
6
Ethnology
6
Management
6
Mathematics
6
Research
6
Technology
6
Biology
5
English
5
Environmental aspects
5
Geography
5
Interactive multimedia
5
Software
5
Statistics
5
Watershed management
5
Anatomy
4
Biography
4
Computer-assisted instruction
4
Dictionaries
4
English language
4
Human anatomy
4
Indigenous peoples
4
Juvenile literature
4
Philippines
4
Reference books
4
Rural electrification
4
Standards
4
Sustainable development
4
World history
4
Appropriations and expenditures
3
Audio-visual aids
3
Botany
3
Budget
3
Civilization
3
Collections
3
Computer graphics
3
Computer network resources
3
more ...