Classification
000 - Computer science, information & general works
18
010 - Bibliography
2
016 - Bibliographies of works on specific subjects
2
025 - Library operations
1
100 - Philosophy & psychology
1
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
7
160 - Logic
1
170 - Ethics
2
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
1
303 - Social processes
1
320 - Political science
96
330 - Economics
110
331 - Labor economics
3
333 - Economics of land & energy
18
338 - Production
7
340 - Law
256
343 - Military, tax, trade & industrial law
2
344 - Labor, social, education & cultural law
4
346 - Private law
32
350 - Public administration & military science
1
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
1
362 - Social welfare problems & services
4
363 - Other social problems & services
10
370 - Education
6
380 - Commerce, communications & transportation
12
381 - Commerce
1
390 - Customs, etiquette & folklore
3
400 - Language
2
414 - Phonology & phonetics
1
500 - Natural sciences & mathematics
2
530 - Physics
2
540 - Chemistry & allied sciences
6
551 - Geology, hydrology & meteorology
2
570 - Life sciences; biology
7
576 - Genetics & evolution
4
580 - Plants (Botany)
8
590 - Animals (Zoology)
1
600 - Technology
24
607 - Education, research & related topics
1
608 - Inventions & patents
6
609 - Historical, geographic & persons treatment
2
610 - Medicine & health
31
615 - Pharmacology & therapeutics
4
620 - Engineering & allied operations
11
630 - Agriculture & related technologies
6
650 - Management & auxiliary services
2
658 - General management
4
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