Palmer, Norman D International relations : the world community in transition / Norman D. Palmer & Howard C.Perkins . - 2nd Indian ed. . - Calcutta : Scientific book agency, 1965 xxxvi, 871 p. : illus,tables,graphs,maps ; 24 cm. 3rd ed. 1976, 799 p. Delhi: CBS publishers, 1985 * International Relation * Perkins, Howard C., ed.