Last spike, C. Crocker to CPH, Dec. 23, 1887, CPH Papers, ser. 1, r. 46.
for deal with Speyer, Crocker to CPH, April 14, 1887, CPH Papers, ser. 1, r. 45.
for Oregon, C. Crocker to CPH April 11, 1887, CPH to Gates, July 11, 1887, CPH Papers, ser. 1, r. 45 (CPH letters from Europe were filed with incoming correspondence).
C. Crocker to CPH, Jan. 6, 12, 26, 1888, CPH Papers, ser. 1, r. 46.
CPH to Gates, July 12, 1887, CPH Papers, ser. 1, r. 45.
CPH to Friend Stanford, July 13, 1887, CPH Papers, ser. 1, r. 45.
CPH to Gates, July 30, 1887, CPH Papers, ser. 1, r. 45.
Pierpont Morgan to CPH, Nov. 29, 1887, CPH Papers, ser. 1, r. 46.
C. Crocker to CPH, Feb. 3, 1888, CPH Papers, ser. 1, r. 46.