Classification
301 - Sociology & anthropology
530 - Physics
600 - Technology
700 - The arts; fine & decorative arts
2
900 - History & geography
2
100 - Philosophy & psychology
1
200 - Religion
1
300 - Social sciences
1
330 - Economics
1
370 - Education
1
576 - Genetics & evolution
1
620 - Engineering & allied operations
1