Classification
700 - The arts; fine & decorative arts
610 - Medicine & health
35
140 - Specific philosophical schools
29
363 - Other social problems & services
29
600 - Technology
25
320 - Political science
24
900 - History & geography
24
330 - Economics
23
000 - Computer science, information & general works
22
333 - Economics of land & energy
20
370 - Education
17
380 - Commerce, communications & transportation
15
301 - Sociology & anthropology
13
200 - Religion
12
100 - Philosophy & psychology
10
300 - Social sciences
10
551 - Geology, hydrology & meteorology
8
576 - Genetics & evolution
8
580 - Plants (Botany)
7
620 - Engineering & allied operations
7
304 - Factors affecting social behavior
6
340 - Law
6
400 - Language
6
170 - Ethics
5
361 - Social problems & social welfare in general
5
581 - Specific topics in natural history
5
630 - Agriculture & related technologies
5
780 - Music
4
720 - Architecture
3
800 - Literature & rhetoric
3
120 - Epistemology, causation & humankind
2
297 - Islam, Babism & Bahai Faith
1
360 - Social problems & services; associations
1
398 - Folklore
1
410 - Linguistics
1
500 - Natural sciences & mathematics
1
520 - Astronomy & allied sciences
1
540 - Chemistry & allied sciences
1
550 - Earth sciences
1
612 - Human physiology
1