The demand to raise money to pay interest is a constant theme in the Huntington/Hopkins correspondence.
CPH to Hopkins, May 8, 1872, LB, 2:117, CPH to Hopkins, Aug. 21, 1872, LB, 2:147, box 20, CPH to Hopkins, Dec. 2, 1872, LB, 3: 57, box 21, Hopkins Collection.
for Northern Pacific, Cooke to Fahnestock, May 26, 1873, LBs, Cooke Papers.
Klein, Union Pacific, 250.
