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Collection: Directory of Open Access Books
700 - The arts; fine & decorative arts
3
320 - Political science
2
140 - Specific philosophical schools
1
300 - Social sciences
1
304 - Factors affecting social behavior
1
330 - Economics
1
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333 - Economics of land & energy
1
340 - Law
1
363 - Other social problems & services
1
370 - Education
1
380 - Commerce, communications & transportation
1
551 - Geology, hydrology & meteorology
1
630 - Agriculture & related technologies
1
720 - Architecture
1
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