Classification
000 - Computer science, information & general works
333 - Economics of land & energy
217
700 - The arts; fine & decorative arts
183
600 - Technology
175
330 - Economics
124
620 - Engineering & allied operations
122
363 - Other social problems & services
114
580 - Plants (Botany)
91
380 - Commerce, communications & transportation
89
900 - History & geography
80
610 - Medicine & health
66
630 - Agriculture & related technologies
55
551 - Geology, hydrology & meteorology
51
140 - Specific philosophical schools
39
530 - Physics
39
320 - Political science
38
500 - Natural sciences & mathematics
37
576 - Genetics & evolution
35
720 - Architecture
25
540 - Chemistry & allied sciences
24
658 - General management
24
414 - Phonology & phonetics
23
340 - Law
22
581 - Specific topics in natural history
19
370 - Education
17
800 - Literature & rhetoric
16
400 - Language
10
304 - Factors affecting social behavior
9
657 - Accounting
9
410 - Linguistics
8
612 - Human physiology
8
361 - Social problems & social welfare in general
7
100 - Philosophy & psychology
3
170 - Ethics
3
120 - Epistemology, causation & humankind
2
200 - Religion
2
300 - Social sciences
2
350 - Public administration & military science
2
550 - Earth sciences
2
590 - Animals (Zoology)
2
650 - Management & auxiliary services
2
160 - Logic
1
297 - Islam, Babism & Bahai Faith
1
302 - Social interaction
1
336 - Public finance
1
338 - Production
1