Patterns of government : the major political systems of Europe / by Samuel H. Beer [et al.] ; under the editorship of Samuel H. Beer and Adam B. Ulam. - 624 páginas Incluye bibliografía. Subjects--Topical Terms: Formas de gobierno. Subjects--Geographic Terms: Europa--Política y gobierno. Dewey Class. No.: 320.3 / B415p 1958