Classification
000 - Computer science, information & general works
49
003 - Systems
1
100 - Philosophy & psychology
5
140 - Specific philosophical schools
27
150 - Psychology
1
170 - Ethics
4
200 - Religion
1
230 - Christianity & Christian theology
3
240 - Christian moral & devotional theology
1
260 - Social & ecclesiastical theology
1
280 - Christian denominations & sects
1
300 - Social sciences
92
301 - Sociology & anthropology
3
303 - Social processes
1
304 - Factors affecting social behavior
14
320 - Political science
84
330 - Economics
169
333 - Economics of land & energy
36
336 - Public finance
1
340 - Law
13
360 - Social problems & services; associations
4
361 - Social problems & social welfare in general
7
362 - Social welfare problems & services
7
363 - Other social problems & services
33
370 - Education
21
380 - Commerce, communications & transportation
18
400 - Language
3
410 - Linguistics
2
414 - Phonology & phonetics
5
500 - Natural sciences & mathematics
8
530 - Physics
2
540 - Chemistry & allied sciences
10
551 - Geology, hydrology & meteorology
15
570 - Life sciences; biology
10
576 - Genetics & evolution
10
580 - Plants (Botany)
27
581 - Specific topics in natural history
11
590 - Animals (Zoology)
1
598 - Birds
1
600 - Technology
15
610 - Medicine & health
167
612 - Human physiology
8
613 - Personal health & safety
1
615 - Pharmacology & therapeutics
7
618 - Gynecology, obstetrics, pediatrics & geriatrics
1
620 - Engineering & allied operations
8
630 - Agriculture & related technologies
4
640 - Home & family management
2
641 - Food & drink
1
657 - Accounting
1
more ...