Hamilton, Keith, 1942- The practice of diplomacy : its evolution, theory, and administration / Keith Hamilton and Richard Langhorne. - 2nd ed. - London : Routledge, 2011. - ix, 317 p. : 24 cm. Includes bibliographical references (p. [195]-302) and index. ISBN: 9780415497640 (hbk.) RM410.40 9780415497657 (pbk.) RM124.85 Subjects--Topical Terms: Diplomacy.Diplomacy--History.