(1789-1849) 書籍 Bemis, Samuel Flagg (1956). John Quincy Adams and the Union. vol. 2 Butterfield, Roger (1947). The American Past: A History of the United
アメリカ合衆国は1819年にスペインからフロリダを買収した。 ^ Samuel Flagg Bemis, "Washington's Farewell Address: A Foreign Policy of Independence," American Historical Review, Vol. 39, No
History of Political Ideas (1922)online edition Samuel Flagg Bemis. The Diplomacy of the American Revolution (1935) online edition Berkin, Carol.Revolutionary
edu/DLData/SN/SN00154113/0035_001/35no1.pdf . Bemis, Samuel Flagg (1949), John Quincy Adams and the Foundations of American Foreign Policy, New York: A. A. Knopf , the