Classification
972 - Middle America; Mexico
103
305 - Social groups
77
338 - Production
57
306 - Culture & institutions
47
320 - Political science
47
327 - International relations
38
301 - Sociology & anthropology
34
303 - Social processes
33
331 - Labor economics
30
330 - Economics
29
300 - Social sciences
27
370 - Education
27
980 - History of South America
25
304 - Factors affecting social behavior
19
861 - Spanish poetry
19
860 - Spanish & Portuguese literatures
18
308 - [Unassigned]
17
378 - Higher education
17
307 - Communities
15
362 - Social welfare problems & services
13
363 - Other social problems & services
13
863 - Spanish fiction
13
302 - Social interaction
12
323 - Civil & political rights
11
379 - Public policy issues in education
10
868 - Spanish miscellaneous writings
10
016 - Bibliographies of works on specific subjects
9
325 - International migration & colonization
9
339 - Macroeconomics & related topics
9
324 - The political process
8
333 - Economics of land & energy
8
337 - International economics
8
199 - Philosophy in other geographic areas
7
321 - Systems of governments & states
7
382 - International commerce
7
463 - Spanish dictionaries
7
796 - Athletic & outdoor sports & games
7
986 - Colombia & Ecuador
7
335 - Socialism & related systems
6
341 - Law of nations
6
401 - Philosophy & theory
6
791 - Public performances
6
070 - News media, journalism & publishing
5
342 - Constitutional & administrative law
5
346 - Private law
5
372 - Elementary education
5
467 - Spanish language variations
5
801 - Philosophy & theory
5
951 - China & adjacent areas
5
956 - Middle East (Near East)
5
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