Herzog, Tamar, Frontiers of possession : Spain and Portugal in Europe and the Americas / Tamar Herzog. - Cambridge, Massachusetts ; London, England : Harvard University Press, 2015. - 1 online resource (395 p.) Includes index. ISBN: 9780674735804 (ebook) Subjects--Topical Terms: Imperialism--History. Subjects--Geographic Terms: Spain--Foreign relations.Spain--Territorial expansion--History.Portugal--Foreign relations.Portugal--Territorial expansion--History.