美美國外交政之硏究美國外交政之硏究de Dexter Perkins, An YiMateriasForeign relationsEdiciones (1)美國外交政之硏究 (1955)You lian chu ban she · chinoMás obras de Dexter PerkinsCharles Evans Hughes and American Democratic StatesmanshipTThe American approach to foreign policyThe American approach to foreign policyTThe United States of AmericaThe United States of America