For a detailed discussion of the Union Party formed by Pro-Union Whigs, see Michael F. Holt, The Rise and Fall of the Whig Party: Jacksonian Politics and the Onset of the Civil War (New York: Oxford University Press, 1999), Chapters 19 and 20.
(c)統一擁護のホイッグ党員によって造られた統一党の詳細については、Michael F. HoltのThe Rise and Fall of the Whig Party: Jacksonian Politics and the Onset of the Civil War (New York: Oxford University Press, 1999), Chapters 19 and 20を参照。