Classification
370 - Education
11
140 - Specific philosophical schools
10
400 - Language
9
380 - Commerce, communications & transportation
8
300 - Social sciences
7
410 - Linguistics
7
700 - The arts; fine & decorative arts
7
320 - Political science
5
333 - Economics of land & energy
5
800 - Literature & rhetoric
5
600 - Technology
4
620 - Engineering & allied operations
4
004 - Data processing & computer science
3
304 - Factors affecting social behavior
3
330 - Economics
3
500 - Natural sciences & mathematics
3
745 - Decorative arts
3
900 - History & geography
3
200 - Religion
2
302 - Social interaction
2
005 - Computer programming, programs & data
1
100 - Philosophy & psychology
1
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
338 - Production
1
340 - Law
1
363 - Other social problems & services
1
414 - Phonology & phonetics
1
580 - Plants (Botany)
1
618 - Gynecology, obstetrics, pediatrics & geriatrics
1
658 - General management
1
720 - Architecture
1
791 - Public performances
1
794 - Indoor games of skill
1