Classification
355 - Military science
118
362 - Social welfare problems & services
88
363 - Other social problems & services
66
358 - Air & other specialized forces
28
610 - Medicine & health
28
371 - Schools & their activities; special education
27
616 - Diseases
27
327 - International relations
20
338 - Production
17
956 - Middle East (Near East)
17
368 - Insurance
16
331 - Labor economics
13
359 - Sea forces & warfare
12
332 - Financial economics
10
333 - Economics of land & energy
10
372 - Elementary education
10
330 - Economics
9
364 - Criminology
9
658 - General management
9
379 - Public policy issues in education
8
303 - Social processes
7
305 - Social groups
7
320 - Political science
7
347 - Civil procedure & courts
7
352 - General considerations of public administration
7
353 - Specific fields of public administration
7
370 - Education
7
623 - Military & nautical engineering
7
306 - Culture & institutions
5
618 - Gynecology, obstetrics, pediatrics & geriatrics
5
356 - Infantry forces & warfare
4
614 - Incidence & prevention of disease
4
700 - The arts; fine & decorative arts
4
958 - Central Asia
4
322 - Relation of state to organized groups
3
324 - The political process
3
344 - Labor, social, education & cultural law
3
388 - Transportation; ground transportation
3
006 - Special computer methods
2
300 - Social sciences
2
301 - Sociology & anthropology
2
302 - Social interaction
2
304 - Factors affecting social behavior
2
336 - Public finance
2
337 - International economics
2
341 - Law of nations
2
345 - Criminal law
2
361 - Social problems & social welfare in general
2
382 - International commerce
2
510 - Mathematics
2
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