Klassifikation der Library of Congress [LCC] (USA)JK1161.S457
⮑ JK1-9993. Political institutions and public administration
⮑ JK1-9593. United States
⮑ JK404-1685. Government. Public administration
⮑ JK1012-1432. Congress. Legislative branch
⮑ JK1154-1276. Senate