Classification
510 - Mathematics
8
306 - Culture & institutions
6
512 - Algebra
5
511 - General principles of mathematics
4
519 - Probabilities & applied mathematics
3
300 - Social sciences
2
515 - Analysis
2
003 - Systems
1
004 - Data processing & computer science
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
307 - Communities
1
340 - Law
1
370 - Education
1
530 - Physics
1
620 - Engineering & allied operations
1
621 - Applied physics
1
631 - Techniques, equipment & materials
1
708 - Galleries, museums & private collections
1
781 - General principles & musical forms
1
809 - History, description & criticism
1