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J - General Legislative and Executive Papers
JC - Political theory
JF - Constitutional history
JK - United States politics and government
JL - Latin American politics and government
JN - European politics and government
JS - Local government
JQ - Asian, African, & Australian politics and government
JV - Colonies and colonization, Emigration & immigration
JX-JZ - International relations
HX - Socialism, Communism, Utopias, Anarchism