Classification
340 - Law
256
330 - Economics
110
320 - Political science
96
346 - Private law
32
610 - Medicine & health
31
600 - Technology
24
700 - The arts; fine & decorative arts
21
000 - Computer science, information & general works
18
333 - Economics of land & energy
18
380 - Commerce, communications & transportation
12
620 - Engineering & allied operations
11
900 - History & geography
11
363 - Other social problems & services
10
580 - Plants (Botany)
8
140 - Specific philosophical schools
7
338 - Production
7
570 - Life sciences; biology
7
370 - Education
6
540 - Chemistry & allied sciences
6
608 - Inventions & patents
6
630 - Agriculture & related technologies
6
720 - Architecture
5
344 - Labor, social, education & cultural law
4
362 - Social welfare problems & services
4
576 - Genetics & evolution
4
615 - Pharmacology & therapeutics
4
658 - General management
4
680 - Manufacture for specific uses
4
970 - History of North America
4
331 - Labor economics
3
390 - Customs, etiquette & folklore
3
664 - Food technology
3
010 - Bibliography
2
016 - Bibliographies of works on specific subjects
2
170 - Ethics
2
343 - Military, tax, trade & industrial law
2
400 - Language
2
500 - Natural sciences & mathematics
2
530 - Physics
2
551 - Geology, hydrology & meteorology
2
609 - Historical, geographic & persons treatment
2
650 - Management & auxiliary services
2
730 - Plastic arts; sculpture
2
025 - Library operations
1
100 - Philosophy & psychology
1
120 - Epistemology, causation & humankind
1
160 - Logic
1
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
1
303 - Social processes
1
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