Classification
140 - Specific philosophical schools
700 - The arts; fine & decorative arts
766
900 - History & geography
766
610 - Medicine & health
743
320 - Political science
497
330 - Economics
471
333 - Economics of land & energy
446
600 - Technology
435
000 - Computer science, information & general works
432
363 - Other social problems & services
362
100 - Philosophy & psychology
307
300 - Social sciences
303
340 - Law
257
380 - Commerce, communications & transportation
255
620 - Engineering & allied operations
252
370 - Education
236
170 - Ethics
198
800 - Literature & rhetoric
189
200 - Religion
160
301 - Sociology & anthropology
158
580 - Plants (Botany)
143
576 - Genetics & evolution
130
551 - Geology, hydrology & meteorology
121
304 - Factors affecting social behavior
119
400 - Language
110
500 - Natural sciences & mathematics
104
581 - Specific topics in natural history
100
410 - Linguistics
92
540 - Chemistry & allied sciences
82
720 - Architecture
78
630 - Agriculture & related technologies
57
612 - Human physiology
53
658 - General management
53
780 - Music
47
361 - Social problems & social welfare in general
41
530 - Physics
40
414 - Phonology & phonetics
35
615 - Pharmacology & therapeutics
31
297 - Islam, Babism & Bahai Faith
27
120 - Epistemology, causation & humankind
22
770 - Photography, photographs & computer art
14
791 - Public performances
14
590 - Animals (Zoology)
11
350 - Public administration & military science
9
360 - Social problems & services; associations
9
160 - Logic
7
364 - Criminology
7
657 - Accounting
6
128 - Humankind
4
833 - German fiction
4
more ...