Classification
001 - Knowledge
170 - Ethics
330 - Economics
3
658 - General management
2
000 - Computer science, information & general works
1
158 - Applied psychology
1
174 - Occupational ethics
1
331 - Labor economics
1
344 - Labor, social, education & cultural law
1
384 - Communications; telecommunication
1
600 - Technology
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
800 - Literature & rhetoric
1
973 - United States
1