Classification
000 - Computer science, information & general works
140 - Specific philosophical schools
700 - The arts; fine & decorative arts
209
610 - Medicine & health
178
600 - Technology
135
333 - Economics of land & energy
132
363 - Other social problems & services
105
330 - Economics
91
380 - Commerce, communications & transportation
91
900 - History & geography
68
620 - Engineering & allied operations
65
580 - Plants (Botany)
53
540 - Chemistry & allied sciences
52
551 - Geology, hydrology & meteorology
46
370 - Education
45
576 - Genetics & evolution
44
320 - Political science
40
400 - Language
31
500 - Natural sciences & mathematics
31
581 - Specific topics in natural history
29
800 - Literature & rhetoric
28
100 - Philosophy & psychology
25
658 - General management
25
630 - Agriculture & related technologies
23
530 - Physics
21
720 - Architecture
20
340 - Law
18
410 - Linguistics
18
170 - Ethics
17
304 - Factors affecting social behavior
17
414 - Phonology & phonetics
15
612 - Human physiology
15
300 - Social sciences
12
200 - Religion
11
361 - Social problems & social welfare in general
9
301 - Sociology & anthropology
8
615 - Pharmacology & therapeutics
8
780 - Music
6
120 - Epistemology, causation & humankind
5
657 - Accounting
3
770 - Photography, photographs & computer art
3
160 - Logic
2
297 - Islam, Babism & Bahai Faith
2
550 - Earth sciences
2
590 - Animals (Zoology)
2
302 - Social interaction
1
360 - Social problems & services; associations
1
398 - Folklore
1
791 - Public performances
1
920 - Biography, genealogy & insignia
1