Classification
330 - Economics
261
332 - Financial economics
12
339 - Macroeconomics & related topics
9
000 - Computer science, information & general works
5
370 - Education
3
500 - Natural sciences & mathematics
3
658 - General management
2
140 - Specific philosophical schools
1
331 - Labor economics
1
338 - Production
1
380 - Commerce, communications & transportation
1
600 - Technology
1
610 - Medicine & health
1
700 - The arts; fine & decorative arts
1