National Archives or its regional branches, or obtain them through interlibrary loan.
Adams Charles Frances. Studies Military and Diplomatic, 1775-1865. New York: Macmillan, 1911.
Adams Charles Francis Jr. Charles Francis Adams. Boston: Houghton Mifflin, 1909.
Adams Ephraim Douglass. Great Britain and the American Civil War. Gloucester, MA: P. Smith, 1957.
Adams Henry. Henry Adams and His Friends: A Collection of His Unpublished Letters. Compiled by Harold Dean Carter. Boston: Houghton Mifflin, 1947.
-----. Letters of Henry Adams. 2 vols. Edited by Worthington Chauncey Ford. Boston: Houghton Mifflin, 1930- 1938.
Albion Robert Greenhalgh, and Jennie Barnes Pope. Sea Lanes in Wartime: The American Experience, 1775-1942. New York: W. W. Norton, 1942.
Alvarez David J. "The Papacy in the Diplomacy of the American Civil War." Catholic Historical Review 69 ( 2) ( 1983): 227-248.
America: History and Life. Santa Barbara, CA: ABC-CLIO, 1964-.
The Annual Register of World Events: A Review of the Year . . . London, New York: Longmans, Green, 1758-.
Ash Lee, and William G. Miller. Subject Collections. 2 vols. New Providence, NJ: R. R. Bowker, 1993.
Atherton Louise. Never Complain, Never Explain: Records of the Foreign Office and State Paper Office. London: Public Record Office Publications, 1994.
Bailey Thomas A. The Man in the Street. New York: Macmillan, 1948.
Bancroft Frederick. The Life of William H. Seward. 2 vols. New York: Harper and Brothers, 1900.
Barnes James J., and Patience P. Barnes. Private and Confidential: Letters from British Ministers in Washington to the Foreign Secretaries in London, 1844-67. Selinsgrove, PA: Susquehanna University Press; London: Associated University Presses, 1993.
Barry James P. "U.S.-Canadian Frictions along the Great Lakes-St. Lawrence Border." Inland Seas 45 (2) ( 1989): 75-89; 45 (3) ( 1989): 183-191.
Bartlett Ruhl J., ed. The Record of American Diplomacy: Documents and Readings in the History of American Foreign Relations. New York: Knopf, 1947.
Bell Samuel E., and James M. Smallwood. "Zona Libre: Trade and Diplomacy on the Mexican Border, 1858-1905." Arizona and the West 24 ( 1982): 119-152.
Belof Max. "Historical Revisionism No. CXVIII: Great Britain and the American Civil War." History 37 ( 1952): 40-48.
Bemis Samuel Flagg, and Grace Gardner Griffin. Guide to the Diplomatic History of the United States, 1775-1921. 1935. Reprint, Gloucester, MA: Peter Smith, 1963.
Bernath Stuart L. Squall across the Atlantic: American Civil War Prize Cases and Diplomacy. Los Angeles: University of California Press, 1970.
Berwanger Eugene H. The British Foreign Service and the American Civil War. Lexington, KY: University Press of Kentucky, 1994.
Bevans Charles I., ed. Treaties and Other International Agreements of the United States of America, 1776-1949. Washington, D.C.: Government Printing Office, 1968.