in national context Nichols, Roy F. "The Kansas–Nebraska Act: A Century of Historiography", Mississippi Valley Historical Review (1956) 43#2 pp. 187–212 in JSTOR Potter, David. The Impending Crisis, 1848–1861 (1976), Pulitzer Prize; ch 9, 12 Reynolds, David (2005). John Brown, Abolitionist. External links 1856 Congressional Report on the Troubles in Kansas Documentary On Bleeding Kansas Kansas State Historical Society: A Look Back at Kansas Territory, 1854–1861 Access documents, photographs, and other primary sources on Kansas Memory, the Kansas State Historical Society's digital portal NEEAC. History of the New-England Emigrant Aid Company. Boston: John Wilson & Son, 1862. PBS article on Bleeding Kansas. Territorial Kansas Online: A Virtual Repository for Kansas Territorial History. U-S-History.com. Online Exhibit – Willing to Die for Freedom, Kansas Historical Society Map of North America during Bleeding Kansas at omniatlas.com Category:Political history of the United States United States Category:1850s in the United States Category:1854 in the United States Category:1855 in the United States Category:1856 in the United States Category:1857 in the United States Category:1858 in the United States Category:American Civil War by location Category:Internal wars of the United States Category:Crimes in Kansas Category:Crimes in Missouri Category:Abolitionism in the United States Category:Political violence in the United States Category:Missouri in the American Civil War Category:Kansas in the American Civil War Category:Politically motivated migrations Category:Origins of the American Civil War