Classification
400 - Language
370 - Education
22
700 - The arts; fine & decorative arts
19
900 - History & geography
14
000 - Computer science, information & general works
13
100 - Philosophy & psychology
13
140 - Specific philosophical schools
10
410 - Linguistics
10
333 - Economics of land & energy
9
600 - Technology
9
380 - Commerce, communications & transportation
8
610 - Medicine & health
8
576 - Genetics & evolution
6
320 - Political science
5
330 - Economics
5
340 - Law
5
620 - Engineering & allied operations
5
720 - Architecture
5
170 - Ethics
4
300 - Social sciences
4
301 - Sociology & anthropology
3
363 - Other social problems & services
3
500 - Natural sciences & mathematics
3
658 - General management
3
120 - Epistemology, causation & humankind
2
414 - Phonology & phonetics
2
530 - Physics
2
800 - Literature & rhetoric
2
200 - Religion
1
304 - Factors affecting social behavior
1
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
1
364 - Criminology
1
405 - Serial publications
1
491 - East Indo-European & Celtic languages
1
551 - Geology, hydrology & meteorology
1
580 - Plants (Botany)
1
770 - Photography, photographs & computer art
1