Classification
000 - Computer science, information & general works
15
004 - Data processing & computer science
4
005 - Computer programming, programs & data
27
006 - Special computer methods
1
100 - Philosophy & psychology
2
140 - Specific philosophical schools
2
200 - Religion
1
300 - Social sciences
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
2
330 - Economics
11
331 - Labor economics
9
333 - Economics of land & energy
12
340 - Law
4
360 - Social problems & services; associations
2
361 - Social problems & social welfare in general
2
363 - Other social problems & services
8
370 - Education
9
380 - Commerce, communications & transportation
4
384 - Communications; telecommunication
1
500 - Natural sciences & mathematics
3
530 - Physics
1
540 - Chemistry & allied sciences
2
551 - Geology, hydrology & meteorology
1
576 - Genetics & evolution
2
580 - Plants (Botany)
3
581 - Specific topics in natural history
1
600 - Technology
610 - Medicine & health
4
620 - Engineering & allied operations
28
621 - Applied physics
1
629 - Other branches of engineering
4
630 - Agriculture & related technologies
1
643 - Housing & household equipment
1
658 - General management
8
670 - Manufacturing
1
700 - The arts; fine & decorative arts
12
745 - Decorative arts
2
900 - History & geography
17