Classification
700 - The arts; fine & decorative arts
75
600 - Technology
64
000 - Computer science, information & general works
61
363 - Other social problems & services
53
551 - Geology, hydrology & meteorology
53
620 - Engineering & allied operations
51
333 - Economics of land & energy
49
900 - History & geography
49
330 - Economics
45
550 - Earth sciences
23
320 - Political science
19
610 - Medicine & health
19
630 - Agriculture & related technologies
17
380 - Commerce, communications & transportation
16
540 - Chemistry & allied sciences
13
500 - Natural sciences & mathematics
12
530 - Physics
12
576 - Genetics & evolution
12
140 - Specific philosophical schools
10
580 - Plants (Botany)
10
658 - General management
7
720 - Architecture
7
300 - Social sciences
6
340 - Law
6
520 - Astronomy & allied sciences
6
414 - Phonology & phonetics
5
581 - Specific topics in natural history
5
800 - Literature & rhetoric
5
400 - Language
3
304 - Factors affecting social behavior
2
370 - Education
2
546 - Inorganic chemistry
2
628 - Sanitary & municipal engineering
2
667 - Cleaning, color & coating technologies
2
674 - Lumber processing, wood products & cork
2
730 - Plastic arts; sculpture
2
100 - Philosophy & psychology
1
130 - Parapsychology & occultism
1
150 - Psychology
1
250 - Christian orders & local church
1
301 - Sociology & anthropology
1
361 - Social problems & social welfare in general
1
547 - Organic chemistry
1
590 - Animals (Zoology)
1
615 - Pharmacology & therapeutics
1
650 - Management & auxiliary services
1
676 - Pulp & paper technology
1
680 - Manufacture for specific uses
1
743 - Drawing & drawings by subject
1
770 - Photography, photographs & computer art
1
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