Classification
700 - The arts; fine & decorative arts
59
600 - Technology
50
333 - Economics of land & energy
40
000 - Computer science, information & general works
39
620 - Engineering & allied operations
33
900 - History & geography
30
330 - Economics
21
380 - Commerce, communications & transportation
20
363 - Other social problems & services
18
610 - Medicine & health
18
580 - Plants (Botany)
16
140 - Specific philosophical schools
14
500 - Natural sciences & mathematics
14
658 - General management
11
576 - Genetics & evolution
10
410 - Linguistics
8
320 - Political science
6
340 - Law
6
530 - Physics
6
370 - Education
5
720 - Architecture
4
160 - Logic
3
511 - General principles of mathematics
3
540 - Chemistry & allied sciences
3
551 - Geology, hydrology & meteorology
3
006 - Special computer methods
2
400 - Language
2
510 - Mathematics
2
630 - Agriculture & related technologies
2
800 - Literature & rhetoric
2
011 - Bibliographies
1
025 - Library operations
1
170 - Ethics
1
300 - Social sciences
1
304 - Factors affecting social behavior
1
361 - Social problems & social welfare in general
1
414 - Phonology & phonetics
1
581 - Specific topics in natural history
1
616 - Diseases
1
650 - Management & auxiliary services
1
770 - Photography, photographs & computer art
1