Classification
363 - Other social problems & services
551 - Geology, hydrology & meteorology
152
628 - Sanitary & municipal engineering
101
700 - The arts; fine & decorative arts
27
000 - Computer science, information & general works
25
333 - Economics of land & energy
23
600 - Technology
18
620 - Engineering & allied operations
16
610 - Medicine & health
14
330 - Economics
11
540 - Chemistry & allied sciences
11
580 - Plants (Botany)
11
344 - Labor, social, education & cultural law
10
327 - International relations
9
900 - History & geography
9
140 - Specific philosophical schools
8
500 - Natural sciences & mathematics
8
380 - Commerce, communications & transportation
7
576 - Genetics & evolution
7
581 - Specific topics in natural history
6
414 - Phonology & phonetics
5
300 - Social sciences
4
630 - Agriculture & related technologies
4
320 - Political science
3
331 - Labor economics
3
364 - Criminology
3
612 - Human physiology
3
100 - Philosophy & psychology
2
304 - Factors affecting social behavior
2
658 - General management
2
720 - Architecture
2
800 - Literature & rhetoric
2
001 - Knowledge
1
297 - Islam, Babism & Bahai Faith
1
338 - Production
1
340 - Law
1
370 - Education
1
509 - Historical, geographic & persons treatment
1
614 - Incidence & prevention of disease
1
615 - Pharmacology & therapeutics
1
616 - Diseases
1
780 - Music
1
930 - History of ancient world to ca. 499
1