CPH to Gates, Oct. 25, 1892, CPH Papers, ser. 1, r. 51, unsigned to Wm. Dick, June 11, 1893, CPH Papers, ser. 1, r. 52.
C. F. Crocker to CPH, June 9, July 29, 1890 CPH Papers, ser. 1, r. 48.
C. F. Crocker to CPH, March 16, 1887 CPH Papers, ser. 1, r. 45.
C. F. Crocker to CPH, June 9, 18, July 3, July 12, July 14, 1890 CPH Papers, ser. 1, r. 48.
C. F. Crocker to CPH, Nov. 9, 1891 CPH Papers, r. 50.
CPH to W. H. Mills, July 6, 1892 CPH Papers, vol. 228, ser. 2, r. 33.
CPH to Gates, May 10, 1890, telegram CPH Papers, ser. 1, r. 48.
C. F. Crocker to CPH, June 18, July 12, 1890 CPH Papers, ser. 1, r. 48.
C. F. Crocker to CPH, Nov. 9, 1891 CPH Papers, r. 50.
CPH to W. H. Mills, July 6, 1892 CPH Papers, vol. 228, ser. 2, r. 33.