Classification
340 - Law
1,943
330 - Economics
56
342 - Constitutional & administrative law
50
320 - Political science
47
347 - Civil procedure & courts
24
346 - Private law
18
345 - Criminal law
12
349 - Law of specific jurisdictions & areas
11
343 - Military, tax, trade & industrial law
9
344 - Labor, social, education & cultural law
8
658 - General management
8
970 - History of North America
6
338 - Production
5
341 - Law of nations
4
350 - Public administration & military science
4
364 - Criminology
4
384 - Communications; telecommunication
4
500 - Natural sciences & mathematics
4
331 - Labor economics
3
158 - Applied psychology
2
324 - The political process
2
328 - The legislative process
2
000 - Computer science, information & general works
1
005 - Computer programming, programs & data
1
172 - Political ethics
1
174 - Occupational ethics
1
302 - Social interaction
1
304 - Factors affecting social behavior
1
306 - Culture & institutions
1
322 - Relation of state to organized groups
1
323 - Civil & political rights
1
333 - Economics of land & energy
1
352 - General considerations of public administration
1
362 - Social welfare problems & services
1
365 - Penal & related institutions
1
371 - Schools & their activities; special education
1
530 - Physics
1
620 - Engineering & allied operations
1
650 - Management & auxiliary services
1
674 - Lumber processing, wood products & cork
1
900 - History & geography
1
973 - United States
1