Classification
658 - General management
28
700 - The arts; fine & decorative arts
17
792 - Stage presentations
17
900 - History & geography
13
330 - Economics
12
300 - Social sciences
11
301 - Sociology & anthropology
7
650 - Management & auxiliary services
7
306 - Culture & institutions
6
800 - Literature & rhetoric
6
006 - Special computer methods
5
302 - Social interaction
5
780 - Music
5
005 - Computer programming, programs & data
4
070 - News media, journalism & publishing
4
100 - Philosophy & psychology
4
320 - Political science
4
930 - History of ancient world to ca. 499
4
004 - Data processing & computer science
3
305 - Social groups
3
340 - Law
3
790 - Recreational & performing arts
3
809 - History, description & criticism
3
069 - Museum science
2
158 - Applied psychology
2
200 - Religion
2
370 - Education
2
400 - Language
2
410 - Linguistics
2
621 - Applied physics
2
791 - Public performances
2
808 - Rhetoric & collections of literature
2
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
1
333 - Economics of land & energy
1
338 - Production
1
361 - Social problems & social welfare in general
1
364 - Criminology
1
379 - Public policy issues in education
1
381 - Commerce
1
384 - Communications; telecommunication
1
600 - Technology
1
616 - Diseases
1
620 - Engineering & allied operations
1
659 - Advertising & public relations
1
670 - Manufacturing
1
745 - Decorative arts
1
781 - General principles & musical forms
1
822 - English drama
1
832 - German drama
1
more ...