Classification
003 - Systems
190
004 - Data processing & computer science
20
005 - Computer programming, programs & data
9
006 - Special computer methods
35
158 - Applied psychology
1
300 - Social sciences
2
303 - Social processes
1
304 - Factors affecting social behavior
1
320 - Political science
1
330 - Economics
6
332 - Financial economics
3
333 - Economics of land & energy
4
338 - Production
4
339 - Macroeconomics & related topics
1
362 - Social welfare problems & services
1
511 - General principles of mathematics
16
512 - Algebra
4
514 - Topology
1
515 - Analysis
38
516 - Geometry
3
518 - Numerical analysis
17
519 - Probabilities & applied mathematics
161
530 - Physics
1
577 - Ecology
2
610 - Medicine & health
2
620 - Engineering & allied operations
10
621 - Applied physics
18
624 - Civil engineering
1
629 - Other branches of engineering
10
634 - Orchards, fruits & forestry
1
650 - Management & auxiliary services
4
657 - Accounting
1
658 - General management
244
670 - Manufacturing
15
690 - Buildings
1