Classification
100 - Philosophy & psychology
13
110 - Metaphysics
1
170 - Ethics
1
200 - Religion
1
297 - Islam, Babism & Bahai Faith
4
301 - Sociology & anthropology
27
304 - Factors affecting social behavior
13
310 - Collections of general statistics
1
320 - Political science
6
330 - Economics
203
331 - Labor economics
206
332 - Financial economics
50
335 - Socialism & related systems
3
336 - Public finance
8
340 - Law
10
341 - Law of nations
1
350 - Public administration & military science
1
360 - Social problems & services; associations
1
364 - Criminology
7
370 - Education
21
380 - Commerce, communications & transportation
98
388 - Transportation; ground transportation
4
390 - Customs, etiquette & folklore
1
500 - Natural sciences & mathematics
13
510 - Mathematics
6
530 - Physics
1
570 - Life sciences; biology
3
600 - Technology
26
610 - Medicine & health
12
621 - Applied physics
3
622 - Mining & related operations
1
625 - Engineering of railroads & roads
1
630 - Agriculture & related technologies
7
640 - Home & family management
3
780 - Music
2
910 - Geography & travel
1