Classification
515 - Analysis
1,852
000 - Computer science, information & general works
259
519 - Probabilities & applied mathematics
253
700 - The arts; fine & decorative arts
242
620 - Engineering & allied operations
214
600 - Technology
204
530 - Physics
191
333 - Economics of land & energy
169
510 - Mathematics
156
500 - Natural sciences & mathematics
137
518 - Numerical analysis
133
900 - History & geography
125
330 - Economics
109
512 - Algebra
89
363 - Other social problems & services
76
003 - Systems
74
576 - Genetics & evolution
74
380 - Commerce, communications & transportation
69
610 - Medicine & health
59
516 - Geometry
50
340 - Law
48
551 - Geology, hydrology & meteorology
45
580 - Plants (Botany)
39
658 - General management
33
514 - Topology
30
140 - Specific philosophical schools
27
511 - General principles of mathematics
27
320 - Political science
22
370 - Education
22
621 - Applied physics
22
800 - Literature & rhetoric
22
414 - Phonology & phonetics
18
531 - Classical mechanics; solid mechanics
18
540 - Chemistry & allied sciences
17
570 - Life sciences; biology
17
629 - Other branches of engineering
16
630 - Agriculture & related technologies
15
532 - Fluid mechanics; liquid mechanics
12
006 - Special computer methods
10
400 - Language
10
100 - Philosophy & psychology
8
720 - Architecture
8
300 - Social sciences
7
304 - Factors affecting social behavior
7
517 - [Unassigned]
7
550 - Earth sciences
7
581 - Specific topics in natural history
7
660 - Chemical engineering
6
005 - Computer programming, programs & data
5
410 - Linguistics
5
more ...