Classification
304 - Factors affecting social behavior
000 - Computer science, information & general works
40
700 - The arts; fine & decorative arts
37
610 - Medicine & health
31
600 - Technology
29
330 - Economics
26
333 - Economics of land & energy
25
363 - Other social problems & services
25
140 - Specific philosophical schools
21
620 - Engineering & allied operations
20
380 - Commerce, communications & transportation
18
900 - History & geography
17
540 - Chemistry & allied sciences
15
320 - Political science
12
576 - Genetics & evolution
11
580 - Plants (Botany)
11
414 - Phonology & phonetics
10
370 - Education
9
500 - Natural sciences & mathematics
8
581 - Specific topics in natural history
8
340 - Law
7
530 - Physics
7
551 - Geology, hydrology & meteorology
7
630 - Agriculture & related technologies
6
100 - Philosophy & psychology
3
300 - Social sciences
3
400 - Language
3
658 - General management
3
200 - Religion
2
800 - Literature & rhetoric
2
120 - Epistemology, causation & humankind
1
170 - Ethics
1
361 - Social problems & social welfare in general
1
410 - Linguistics
1
519 - Probabilities & applied mathematics
1
520 - Astronomy & allied sciences
1
550 - Earth sciences
1
612 - Human physiology
1
615 - Pharmacology & therapeutics
1
650 - Management & auxiliary services
1
720 - Architecture
1
920 - Biography, genealogy & insignia
1