Classification
305 - Social groups
332
355 - Military science
279
362 - Social welfare problems & services
267
306 - Culture & institutions
232
363 - Other social problems & services
224
338 - Production
176
320 - Political science
159
791 - Public performances
143
327 - International relations
130
331 - Labor economics
116
303 - Social processes
111
333 - Economics of land & energy
99
371 - Schools & their activities; special education
84
809 - History, description & criticism
84
302 - Social interaction
80
307 - Communities
79
330 - Economics
78
378 - Higher education
76
304 - Factors affecting social behavior
72
940 - History of Europe
71
358 - Air & other specialized forces
66
808 - Rhetoric & collections of literature
65
933 - Palestine to 70
64
341 - Law of nations
63
296 - Judaism
61
297 - Islam, Babism & Bahai Faith
60
616 - Diseases
56
324 - The political process
53
658 - General management
50
811 - American poetry in English
50
813 - American fiction in English
49
973 - United States
48
364 - Criminology
47
895 - Literatures of East & Southeast Asia
47
956 - Middle East (Near East)
46
323 - Civil & political rights
45
709 - Historical, geographic & persons treatment
45
340 - Law
44
346 - Private law
43
499 - Austronesian & other languages
43
001 - Knowledge
41
959 - Southeast Asia
41
342 - Constitutional & administrative law
40
332 - Financial economics
39
370 - Education
39
301 - Sociology & anthropology
38
398 - Folklore
38
610 - Medicine & health
38
891 - East Indo-European & Celtic literatures
38
951 - China & adjacent areas
37
more ...