Classification
700 - The arts; fine & decorative arts
600 - Technology
315
620 - Engineering & allied operations
232
333 - Economics of land & energy
224
000 - Computer science, information & general works
219
900 - History & geography
216
380 - Commerce, communications & transportation
106
330 - Economics
95
576 - Genetics & evolution
94
610 - Medicine & health
90
363 - Other social problems & services
87
500 - Natural sciences & mathematics
74
580 - Plants (Botany)
65
140 - Specific philosophical schools
64
720 - Architecture
44
630 - Agriculture & related technologies
31
658 - General management
28
340 - Law
27
530 - Physics
27
551 - Geology, hydrology & meteorology
26
320 - Political science
24
370 - Education
20
400 - Language
20
540 - Chemistry & allied sciences
16
800 - Literature & rhetoric
16
414 - Phonology & phonetics
14
300 - Social sciences
13
100 - Philosophy & psychology
9
410 - Linguistics
7
170 - Ethics
6
581 - Specific topics in natural history
5
612 - Human physiology
5
650 - Management & auxiliary services
5
770 - Photography, photographs & computer art
4
550 - Earth sciences
3
780 - Music
3
160 - Logic
2
304 - Factors affecting social behavior
2
615 - Pharmacology & therapeutics
2
657 - Accounting
2
120 - Epistemology, causation & humankind
1
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
361 - Social problems & social welfare in general
1
520 - Astronomy & allied sciences
1
791 - Public performances
1