SUBJECT
Science
Philosophy
26
Technology
21
History
8
Methodology
7
Mathematics
6
Social aspects
5
Study and teaching
5
Physics
4
Addresses, essays, lectures
3
Study and teaching (Secondary)
3
Addresses, essays & lectures
2
Biology
2
Collected works
2
Dictionaries
2
Juvenile literature
2
Language
2
Natural history
2
Reasoning
2
Research
2
Terminology
2
Astronomy
1
Bibliography
1
Biography
1
Causality (Physics)
1
Computer-assisted instruction
1
Congresses
1
Culture
1
Education
1
English
1
English language
1
Experiments
1
Explanation
1
Government policy
1
Independent study
1
Knowledge, Theory of
1
Language and languages
1
Learning, Psychology of
1
Life sciences
1
Linguistic research
1
Magic
1
Metaphysics
1
Philippine languages
1
Physical sciences
1
Physicists
1
Pilipino
1
Pilipino language
1
Polyglot
1
Quantum theory
1
Reality
1
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