Classification
340 - Law
374
820 - English & Old English literatures
335
600 - Technology
81
333 - Economics of land & energy
77
330 - Economics
73
610 - Medicine & health
73
000 - Computer science, information & general works
68
700 - The arts; fine & decorative arts
68
580 - Plants (Botany)
54
363 - Other social problems & services
51
620 - Engineering & allied operations
49
320 - Political science
31
900 - History & geography
28
630 - Agriculture & related technologies
22
140 - Specific philosophical schools
20
540 - Chemistry & allied sciences
19
380 - Commerce, communications & transportation
13
551 - Geology, hydrology & meteorology
12
500 - Natural sciences & mathematics
9
345 - Criminal law
8
576 - Genetics & evolution
8
414 - Phonology & phonetics
7
530 - Physics
7
612 - Human physiology
7
800 - Literature & rhetoric
7
304 - Factors affecting social behavior
6
361 - Social problems & social welfare in general
6
581 - Specific topics in natural history
5
615 - Pharmacology & therapeutics
5
658 - General management
5
370 - Education
4
570 - Life sciences; biology
3
010 - Bibliography
2
572 - Biochemistry
2
590 - Animals (Zoology)
2
613 - Personal health & safety
2
100 - Philosophy & psychology
1
300 - Social sciences
1
341 - Law of nations
1
343 - Military, tax, trade & industrial law
1
346 - Private law
1
349 - Law of specific jurisdictions & areas
1
352 - General considerations of public administration
1
400 - Language
1
410 - Linguistics
1
628 - Sanitary & municipal engineering
1
641 - Food & drink
1
657 - Accounting
1
770 - Photography, photographs & computer art
1
791 - Public performances
1
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