Classification
629 - Other branches of engineering
13
330 - Economics
10
338 - Production
9
600 - Technology
8
620 - Engineering & allied operations
8
700 - The arts; fine & decorative arts
7
900 - History & geography
5
333 - Economics of land & energy
4
363 - Other social problems & services
4
370 - Education
3
380 - Commerce, communications & transportation
3
658 - General management
3
000 - Computer science, information & general works
2
140 - Specific philosophical schools
2
320 - Political science
2
414 - Phonology & phonetics
2
610 - Medicine & health
2
004 - Data processing & computer science
1
006 - Special computer methods
1
100 - Philosophy & psychology
1
337 - International economics
1
361 - Social problems & social welfare in general
1
657 - Accounting
1
659 - Advertising & public relations
1
720 - Architecture
1
800 - Literature & rhetoric
1