| 0 Information 196,271 βΉοΈ | 1 Philosophy and Psychology 182,817 π | 2 Religion 463,618 ππ½ | 3 Social Sciences 1,017,722 π« | 4 Language 130,463 π¬ | 5 Mathematics and Science 322,970 π¬ | 6 Technology 751,857 π‘ | 7 Arts and Recreation 695,836 π¨ | 8 Literature 929,792 π | 9 Biography and History 592,368 πΏ |
| 30 Social Sciences, Sociology, Anthropology 202,104 π | 31 Statistics 2,262 π | 32 Political Science 112,660 π | 33 Economics 182,839 π | 34 Law 111,069 β | 35 Public Administration, Military Science 49,661 π | 36 Social Problems, Social Services 132,653 πΏ | 37 Education 136,853 π | 38 Commerce, Communications, Transportation 37,000 π£ | 39 Customs, Etiquette, Folklore 50,621 π |
| 320 Political Science 41,541 π | 321 Political Systems 4,807 π | 322 Relation of the state to organized groups and their members 5,146 β | 323 Civil and political rights 12,414 π‘ | 324 The political process 11,437 π | 325 International migration and colonization 4,305 β | 326 Slavery and emancipation 674 β | 327 International Relations 25,979 πΊ | 328 The legislative process 4,707 π£ | 329 [Previously "Political Parties; Party Conventions"; No longer used] 1,650 π€Ό |
| 320.0 Political Science 5,580 π | 320.1 The State 2,044 | 320.2 Political Legitimacy 59 | 320.3 Comparative Politics 403 | 320.4 Democracy 1,603 | 320.5 Isms 7,815 | 320.6 Policy formulation 1,164 | 320.7 37 | 320.8 Local Government 887 | 320.9 Biography And History 12,899 π |
MDS classes with significant recommendations overlap, excluding ones under the same top-level class.
