Classification
331 - Labor economics
3
500 - Natural sciences & mathematics
3
330 - Economics
2
332 - Financial economics
2
745 - Decorative arts
2
000 - Computer science, information & general works
1
005 - Computer programming, programs & data
1
006 - Special computer methods
1
153 - Mental processes & intelligence
1
302 - Social interaction
1
303 - Social processes
1
381 - Commerce
1
384 - Communications; telecommunication
1
537 - Electricity & electronics
1
658 - General management
1
720 - Architecture
1
813 - American fiction in English
1