Classification
620 - Engineering & allied operations
720 - Architecture
600 - Technology
97
900 - History & geography
82
700 - The arts; fine & decorative arts
79
000 - Computer science, information & general works
52
333 - Economics of land & energy
50
363 - Other social problems & services
37
330 - Economics
36
380 - Commerce, communications & transportation
32
140 - Specific philosophical schools
28
610 - Medicine & health
22
576 - Genetics & evolution
20
580 - Plants (Botany)
17
500 - Natural sciences & mathematics
15
320 - Political science
12
340 - Law
11
370 - Education
11
630 - Agriculture & related technologies
11
400 - Language
9
551 - Geology, hydrology & meteorology
9
800 - Literature & rhetoric
8
100 - Philosophy & psychology
6
658 - General management
6
170 - Ethics
5
300 - Social sciences
5
414 - Phonology & phonetics
4
530 - Physics
3
745 - Decorative arts
3
410 - Linguistics
2
540 - Chemistry & allied sciences
2
657 - Accounting
2
120 - Epistemology, causation & humankind
1
160 - Logic
1
297 - Islam, Babism & Bahai Faith
1
304 - Factors affecting social behavior
1
604 - Special topics
1
624 - Civil engineering
1
696 - Utilities
1
741 - Drawing & drawings
1
770 - Photography, photographs & computer art
1
780 - Music
1