Classification
791 - Public performances
12
301 - Sociology & anthropology
6
620 - Engineering & allied operations
6
900 - History & geography
4
320 - Political science
2
384 - Communications; telecommunication
2
600 - Technology
2
658 - General management
2
000 - Computer science, information & general works
1
006 - Special computer methods
1
140 - Specific philosophical schools
1
200 - Religion
1
300 - Social sciences
1
302 - Social interaction
1
306 - Culture & institutions
1
330 - Economics
1
331 - Labor economics
1
332 - Financial economics
1
333 - Economics of land & energy
1
335 - Socialism & related systems
1
341 - Law of nations
1
363 - Other social problems & services
1
370 - Education
1
381 - Commerce
1
417 - Dialectology & historical linguistics
1
418 - Standard usage & applied linguistics
1
500 - Natural sciences & mathematics
1
543 - Analytical chemistry
1
576 - Genetics & evolution
1
610 - Medicine & health
1
621 - Applied physics
1
650 - Management & auxiliary services
1
700 - The arts; fine & decorative arts
1
720 - Architecture
1
770 - Photography, photographs & computer art
1
777 - [Unassigned]
1
778 - Fields & kinds of photography
1
780 - Music
1
808 - Rhetoric & collections of literature
1