Classification
158 - Applied psychology
658 - General management
170
330 - Economics
165
650 - Management & auxiliary services
140
670 - Manufacturing
124
300 - Social sciences
110
302 - Social interaction
108
500 - Natural sciences & mathematics
89
338 - Production
52
331 - Labor economics
42
150 - Psychology
39
381 - Commerce
21
153 - Mental processes & intelligence
18
384 - Communications; telecommunication
8
620 - Engineering & allied operations
8
001 - Knowledge
6
000 - Computer science, information & general works
5
170 - Ethics
5
380 - Commerce, communications & transportation
4
745 - Decorative arts
4
800 - Literature & rhetoric
4
004 - Data processing & computer science
3
155 - Differential & developmental psychology
2
303 - Social processes
2
332 - Financial economics
2
005 - Computer programming, programs & data
1
006 - Special computer methods
1
011 - Bibliographies
1
174 - Occupational ethics
1
253 - Pastoral office & work
1
294 - Religions of Indic origin
1
334 - Cooperatives
1
510 - Mathematics
1
641 - Food & drink
1
740 - Drawing & decorative arts
1
741 - Drawing & drawings
1