Classification
700 - The arts; fine & decorative arts
34
900 - History & geography
25
600 - Technology
23
333 - Economics of land & energy
20
340 - Law
20
620 - Engineering & allied operations
19
000 - Computer science, information & general works
18
320 - Political science
15
576 - Genetics & evolution
14
330 - Economics
13
500 - Natural sciences & mathematics
11
720 - Architecture
9
363 - Other social problems & services
8
580 - Plants (Botany)
5
140 - Specific philosophical schools
4
324 - The political process
4
342 - Constitutional & administrative law
4
380 - Commerce, communications & transportation
4
414 - Phonology & phonetics
3
530 - Physics
3
610 - Medicine & health
3
658 - General management
3
800 - Literature & rhetoric
3
100 - Philosophy & psychology
2
300 - Social sciences
2
341 - Law of nations
2
370 - Education
2
510 - Mathematics
2
630 - Agriculture & related technologies
2
170 - Ethics
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
345 - Criminal law
1
361 - Social problems & social welfare in general
1
364 - Criminology
1
551 - Geology, hydrology & meteorology
1
570 - Life sciences; biology
1
590 - Animals (Zoology)
1
621 - Applied physics
1
740 - Drawing & decorative arts
1
745 - Decorative arts
1