Classification
700 - The arts; fine & decorative arts
61
000 - Computer science, information & general works
43
140 - Specific philosophical schools
41
333 - Economics of land & energy
41
600 - Technology
37
370 - Education
36
330 - Economics
35
900 - History & geography
35
610 - Medicine & health
33
363 - Other social problems & services
29
380 - Commerce, communications & transportation
28
400 - Language
28
620 - Engineering & allied operations
23
100 - Philosophy & psychology
15
576 - Genetics & evolution
14
320 - Political science
13
720 - Architecture
12
551 - Geology, hydrology & meteorology
11
580 - Plants (Botany)
10
340 - Law
9
410 - Linguistics
9
658 - General management
8
200 - Religion
7
300 - Social sciences
7
500 - Natural sciences & mathematics
7
800 - Literature & rhetoric
7
304 - Factors affecting social behavior
5
630 - Agriculture & related technologies
5
004 - Data processing & computer science
4
297 - Islam, Babism & Bahai Faith
4
301 - Sociology & anthropology
4
530 - Physics
4
780 - Music
4
170 - Ethics
3
414 - Phonology & phonetics
3
581 - Specific topics in natural history
3
121 - Epistemology
2
331 - Labor economics
2
770 - Photography, photographs & computer art
2
791 - Public performances
2
120 - Epistemology, causation & humankind
1
350 - Public administration & military science
1
364 - Criminology
1
401 - Philosophy & theory
1
540 - Chemistry & allied sciences
1
612 - Human physiology
1
920 - Biography, genealogy & insignia
1