Classification
000 - Computer science, information & general works
658 - General management
610 - Medicine & health
11
330 - Economics
10
700 - The arts; fine & decorative arts
8
380 - Commerce, communications & transportation
7
140 - Specific philosophical schools
6
333 - Economics of land & energy
5
600 - Technology
5
363 - Other social problems & services
4
551 - Geology, hydrology & meteorology
4
331 - Labor economics
3
500 - Natural sciences & mathematics
3
576 - Genetics & evolution
3
580 - Plants (Botany)
3
620 - Engineering & allied operations
3
338 - Production
2
630 - Agriculture & related technologies
2
006 - Special computer methods
1
302 - Social interaction
1
320 - Political science
1
340 - Law
1
361 - Social problems & social welfare in general
1
370 - Education
1
384 - Communications; telecommunication
1
581 - Specific topics in natural history
1
720 - Architecture
1
808 - Rhetoric & collections of literature
1