Library of Congress call numbers group books by subject, but there is no single call number range for all political science materials. The following letters represent major political science categories:
JA: General, including periodicals, encyclopedias, etc
JC: Political theory
JF: Political institutions and public administration - general
JK: Political institutions and public administration - United States
JL: Political institutions and public administration - Canada/Latin America
JN: Political institutions and public administration - Europe, by country
JQ: Political institutions and public administration - Asia, Africa, Australia
JS: Local and municipal government, by country
JV: Colonization and international migrations
JZ: International Relations
