Classification
000 - Computer science, information & general works
38
100 - Philosophy & psychology
12
140 - Specific philosophical schools
20
170 - Ethics
2
200 - Religion
3
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
4
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
5
320 - Political science
20
327 - International relations
1
330 - Economics
44
333 - Economics of land & energy
44
340 - Law
9
344 - Labor, social, education & cultural law
1
350 - Public administration & military science
1
361 - Social problems & social welfare in general
1
363 - Other social problems & services
370 - Education
12
380 - Commerce, communications & transportation
22
400 - Language
3
410 - Linguistics
2
414 - Phonology & phonetics
2
500 - Natural sciences & mathematics
57
520 - Astronomy & allied sciences
1
530 - Physics
3
540 - Chemistry & allied sciences
4
551 - Geology, hydrology & meteorology
41
576 - Genetics & evolution
31
580 - Plants (Botany)
26
581 - Specific topics in natural history
24
600 - Technology
58
610 - Medicine & health
62
612 - Human physiology
8
615 - Pharmacology & therapeutics
2
620 - Engineering & allied operations
44
630 - Agriculture & related technologies
8
658 - General management
7
700 - The arts; fine & decorative arts
54
720 - Architecture
4
770 - Photography, photographs & computer art
1
780 - Music
1
800 - Literature & rhetoric
5
900 - History & geography
23