Classification
000 - Computer science, information & general works
2
100 - Philosophy & psychology
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
6
150 - Psychology
1
155 - Differential & developmental psychology
1
170 - Ethics
9
200 - Religion
5
297 - Islam, Babism & Bahai Faith
2
300 - Social sciences
7
301 - Sociology & anthropology
3
304 - Factors affecting social behavior
1
306 - Culture & institutions
1
320 - Political science
7
330 - Economics
5
333 - Economics of land & energy
52
340 - Law
3
361 - Social problems & social welfare in general
3
362 - Social welfare problems & services
1
363 - Other social problems & services
8
364 - Criminology
2
370 - Education
32
380 - Commerce, communications & transportation
3
398 - Folklore
1
400 - Language
4
410 - Linguistics
2
500 - Natural sciences & mathematics
6
530 - Physics
1
551 - Geology, hydrology & meteorology
1
576 - Genetics & evolution
2
581 - Specific topics in natural history
1
600 - Technology
3
610 - Medicine & health
22
615 - Pharmacology & therapeutics
1
620 - Engineering & allied operations
2
700 - The arts; fine & decorative arts
20
770 - Photography, photographs & computer art
1
780 - Music
1
800 - Literature & rhetoric
2
900 - History & geography
8