Bradley, pp. 20–22. Bradley, Erwin Stanley (1966). Simon Cameron, Lincoln's Secretary of War: A Political Biography. Philadelphia, Pennsylvania: University of Pennsylvania Press. LCCN65020756.
Bradley, p. 21. Bradley, Erwin Stanley (1966). Simon Cameron, Lincoln's Secretary of War: A Political Biography. Philadelphia, Pennsylvania: University of Pennsylvania Press. LCCN65020756.
Bradley, p. 54. Bradley, Erwin Stanley (1966). Simon Cameron, Lincoln's Secretary of War: A Political Biography. Philadelphia, Pennsylvania: University of Pennsylvania Press. LCCN65020756.
Bradley, pp. 25–26. Bradley, Erwin Stanley (1966). Simon Cameron, Lincoln's Secretary of War: A Political Biography. Philadelphia, Pennsylvania: University of Pennsylvania Press. LCCN65020756.
Bradley, pp. 29–31. Bradley, Erwin Stanley (1966). Simon Cameron, Lincoln's Secretary of War: A Political Biography. Philadelphia, Pennsylvania: University of Pennsylvania Press. LCCN65020756.
Bradley, pp. 38–39. Bradley, Erwin Stanley (1966). Simon Cameron, Lincoln's Secretary of War: A Political Biography. Philadelphia, Pennsylvania: University of Pennsylvania Press. LCCN65020756.
Bradley, p. 40. Bradley, Erwin Stanley (1966). Simon Cameron, Lincoln's Secretary of War: A Political Biography. Philadelphia, Pennsylvania: University of Pennsylvania Press. LCCN65020756.
Bradley, pp. 42–44. Bradley, Erwin Stanley (1966). Simon Cameron, Lincoln's Secretary of War: A Political Biography. Philadelphia, Pennsylvania: University of Pennsylvania Press. LCCN65020756.
Bradley, p. 45. Bradley, Erwin Stanley (1966). Simon Cameron, Lincoln's Secretary of War: A Political Biography. Philadelphia, Pennsylvania: University of Pennsylvania Press. LCCN65020756.
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