Classification
000 - Computer science, information & general works
300 - Social sciences
380 - Commerce, communications & transportation
658 - General management
384 - Communications; telecommunication
4
302 - Social interaction
2
330 - Economics
2
338 - Production
2
700 - The arts; fine & decorative arts
2
140 - Specific philosophical schools
1
153 - Mental processes & intelligence
1
320 - Political science
1
331 - Labor economics
1
340 - Law
1
370 - Education
1
530 - Physics
1
791 - Public performances
1