Guardians of the Gulf : a history of America's expanding role in the Persian Gulf, 1833-1992 / Michael A. Palmer. Palmer, Michael A. 327.7305 PAL Includes bibliographical references (p. 305-317) and index. New York : Free Press ; Toronto : Maxwell Macmillan Canada ; New York : Maxwell Macmillan International, c1992. c1992. 1992 Text viii, 328 p. : eng Persian Gulf Region Foreign relations United States. United States Foreign relations Persian Gulf region.