Birch, Anthony Harold. The british system of government / by A. H. Birch. - [3rd] revised ed. - London : Allen and Unwin, 1973. - 2-306 p. 23 cm. - Minerva series of students' handbooks, no. 20 / George allen and unwin . Includes bibliographies and index. ISBN: 0043200915 0043200923 (pbk.) Subjects--Topical Terms: Gran Bretaña -- -- 1945-Política y gobierno Subjects--Geographic Terms: Great Britain--Politics and government--1945- Dewey Class. No.: 320.941 / BIB 1973