10. Howard Jones, Union in Peril: The Crisis over British Intervention in the Civil War (Chapel Hill, N.C., 1992), 7, 11, 88. On Seward, see also Gordon H. Warren, "William Henry Seward," in Frank J. Merli and Theodore A. Wilson, Makers of American Diplomacy: From Benjamin Franklin to Alfred Thayer Mahan (New York, l974), 195–219.