320 - Political science 2,385
327 - International relations 619
323 - Civil & political rights 179
321 - Systems of governments & states 156
324 - The political process 94
322 - Relation of state to organized groups 40
325 - International migration & colonization 39
328 - The legislative process 31
329 - [Unassigned] 18
326 - Slavery & emancipation 1