11. The meaning of "We, the People of the United States," in the Preamble to the Constitution. (Taft, Popular Government, chapter i.)
12. Sovereignty. (Gettell, Introduction to Political Science, chapter viii; Leacock, Elements of Political Science, chapter iv.)
13. Relation of state and Federal governments. (Guitteau, Government and Politics in the United States, chapter xxi.)
14. The supremacy of Federal law. (Munro, The Government of the United States, chapter iv.)
15. The check and balance system. (Gettell, Readings in Political Science, pages 332-336; Forman, The American Republic, chapter iv.)
16. The separation of powers. (Beard, American Government and Politics, pages 152-155; Gettell, Introduction to Political Science, chapter xvii; Leacock, Elements of Political Science, part ii, chapter i.)
17. Interstate relations. (Leacock, Elements of Political Science, chapter vi.)
18. Personal liberty and government. (Cleveland, Organized Democracy, chapter vii; Gettell, Introduction to Political Science, chapter ix.)
19. The doctrine of implied powers. (Guitteau, Government and Politics in the United States, chapter xx.)
20. Evolution of the Federal Constitution. (Kimball, The National Government of the United States, chapter ii.)