Quote, Adams to Moorfield Storey, Feb. 2, 1885, UP, PO, OC, vol. 27, ser. 2, r. 23;
for policies during the Civil War, Heather Cox Richardson, The Greatest Nation of the Earth: Republican Economic Policies during the Civil War (Cambridge: Harvard Univ. Press, 1997), 170-72, 175, 178-80.
For other discussions of fixed costs, Josiah Quincy, "The Railroad System of Massachusetts: An Address Delivered Before the Boston Board of Trade, Nov. 10, 1866" (Boston: Mudge & Son, 1866), particularly 25.
Thomas McCraw, Prophets of Regulation: Charles Francis Adams, Louis D. Brandeis, James M. Landis, Alfred E. Kahn (Cambridge: Harvard University Press, 1984), 9-10.
Oberholtzer, Jay Cooke, 1:212-325, esp. 212-22.
Cooke to Chase, Oct. 25, Nov. 12, 1862, r. 23, Chase Papers.
Salmon Chase to J. Cooke, Oct. 25, 1861, J. Cooke to Chase, Oct. 30, 1861, Chase Papers, r. 17.
Salmon Chase to J. Cooke, Nov. 21, Dec. 16, 1861, Cooke to Chase, Nov. 5, 1861, r. 18.
Chase to J. Cooke, Feb. 2, 7, 9, March 7, 8, 22, 1862, J. Cooke to Chase, Feb. 8, March 10, 22, 1862, Chase Papers, r. 19.
Cooke to Chase, June 28, 1862, Cooke Papers.
Chase to Cooke, Nov. 13, 1862, Chase Papers, r. 23.