Classification
519 - Probabilities & applied mathematics
510 - Mathematics
362
515 - Analysis
257
500 - Natural sciences & mathematics
162
658 - General management
109
330 - Economics
104
005 - Computer programming, programs & data
86
000 - Computer science, information & general works
72
001 - Knowledge
43
620 - Engineering & allied operations
43
006 - Special computer methods
40
331 - Labor economics
31
332 - Financial economics
29
745 - Decorative arts
24
381 - Commerce
19
300 - Social sciences
15
610 - Medicine & health
14
384 - Communications; telecommunication
12
670 - Manufacturing
12
153 - Mental processes & intelligence
11
302 - Social interaction
10
338 - Production
10
025 - Library operations
8
380 - Commerce, communications & transportation
8
796 - Athletic & outdoor sports & games
8
374 - Adult education
7
511 - General principles of mathematics
7
621 - Applied physics
6
368 - Insurance
5
572 - Biochemistry
5
616 - Diseases
5
004 - Data processing & computer science
4
530 - Physics
4
650 - Management & auxiliary services
3
808 - Rhetoric & collections of literature
3
158 - Applied psychology
2
310 - Collections of general statistics
2
370 - Education
2
512 - Algebra
2
518 - Numerical analysis
2
615 - Pharmacology & therapeutics
2
629 - Other branches of engineering
2
700 - The arts; fine & decorative arts
2
910 - Geography & travel
2
003 - Systems
1
011 - Bibliographies
1
304 - Factors affecting social behavior
1
347 - Civil procedure & courts
1
352 - General considerations of public administration
1
361 - Social problems & social welfare in general
1
more ...