Classification
330 - Economics
2,229
320 - Political science
158
340 - Law
70
332 - Financial economics
42
900 - History & geography
11
333 - Economics of land & energy
10
658 - General management
9
000 - Computer science, information & general works
7
300 - Social sciences
7
363 - Other social problems & services
7
700 - The arts; fine & decorative arts
7
338 - Production
5
378 - Higher education
5
380 - Commerce, communications & transportation
5
500 - Natural sciences & mathematics
5
360 - Social problems & services; associations
4
368 - Insurance
3
140 - Specific philosophical schools
2
297 - Islam, Babism & Bahai Faith
2
302 - Social interaction
2
336 - Public finance
2
551 - Geology, hydrology & meteorology
2
600 - Technology
2
610 - Medicine & health
2
620 - Engineering & allied operations
2
630 - Agriculture & related technologies
2
670 - Manufacturing
2
800 - Literature & rhetoric
2
001 - Knowledge
1
004 - Data processing & computer science
1
025 - Library operations
1
301 - Sociology & anthropology
1
331 - Labor economics
1
339 - Macroeconomics & related topics
1
343 - Military, tax, trade & industrial law
1
346 - Private law
1
350 - Public administration & military science
1
361 - Social problems & social welfare in general
1
370 - Education
1
382 - International commerce
1
519 - Probabilities & applied mathematics
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
581 - Specific topics in natural history
1
643 - Housing & household equipment
1
720 - Architecture
1
843 - French fiction
1