Edit. George G. Harrap & Co. Ltd, 1959 London. Third edition revised and enlarged. 8ºM (22x15cm) 771 págs. Tela editorial en buen estado general con sobrecubierta con roces y faltas. Signos de uso. Leve amarilleo de las páginas. «Theories of politics, as Dr. Sabine writes in the Preface to this book, do not refer to an external reality but are a part of the social milieu in which politics have their being. The history of political thought has no conclusion. It develops contemporaneously with forms of government and society, and is subject with them to rhe changes and chances of time and event.»