International Political Analysis

By Edwards, David V. . Estados Unidos de América: Holt, Rinehart and Winston, Inc., 1969 . 366 p.;

The American Political Dictionary: Definitions, Backgrounds, and Explanations of the Basic Concepts, the Statutes, Court Cases, ans Agencies of Federal, Satte, and Local Government.

By Plano, Jack C. Estados Unidos de América: Holt, Rinehart and Winston, Inc, 1966 . 383 p.;