Carter, Charles, 1927-1990 The secret diplomacy of the Habsburgs, 1598-1625 / [by] Charles Howard Carter. - New York : Columbia University Press, 1964. - xiv, 321 pages : maps ; 24 cm. - 327.82(46)(09) (NLA) . Bibliography: p. [305]-313. Subjects--Topical Terms: Espionage, Spanish--Great Britain Subjects--Geographic Terms: Spain--Foreign relations--1516-1700 Universal Decimal Class. No.: 327.82(46)(09) (NLA)