Classification
000 - Computer science, information & general works
700 - The arts; fine & decorative arts
146
363 - Other social problems & services
86
333 - Economics of land & energy
51
551 - Geology, hydrology & meteorology
41
330 - Economics
38
900 - History & geography
33
320 - Political science
31
380 - Commerce, communications & transportation
29
600 - Technology
29
540 - Chemistry & allied sciences
26
576 - Genetics & evolution
24
140 - Specific philosophical schools
21
610 - Medicine & health
21
620 - Engineering & allied operations
19
580 - Plants (Botany)
17
581 - Specific topics in natural history
14
530 - Physics
13
630 - Agriculture & related technologies
13
300 - Social sciences
11
340 - Law
10
414 - Phonology & phonetics
10
800 - Literature & rhetoric
9
100 - Philosophy & psychology
8
400 - Language
8
301 - Sociology & anthropology
7
304 - Factors affecting social behavior
6
500 - Natural sciences & mathematics
6
550 - Earth sciences
6
658 - General management
6
720 - Architecture
6
200 - Religion
5
370 - Education
4
410 - Linguistics
3
612 - Human physiology
3
361 - Social problems & social welfare in general
2
120 - Epistemology, causation & humankind
1
160 - Logic
1
296 - Judaism
1
364 - Criminology
1
590 - Animals (Zoology)
1
657 - Accounting
1
780 - Music
1
791 - Public performances
1