Hubbard to CPH, April 27, 1894, F. H. Davis to CPH May 1, 1894, CPH Papers, ser. 1, r. 53.
other loans, CPH to I. E. Gates, May 7, 1894, CPH Papers, ser. 1, r. 53.

Hubbard to CPH, April 27, 1894, F. H. Davis to CPH May 1, 1894, CPH Papers, ser. 1, r. 53.
other loans, CPH to I. E. Gates, May 7, 1894, CPH Papers, ser. 1, r. 53.
Charles Tweed to CPH, April 2, 1894, HEH Collection.
Thos Hubbard to Speyer & Co., Aug. 27, 1896, CPH, Crocker, and Hubbard to Speyer & Co., Aug. 27, 1896 (two letters), PIC Records, ser.1, Business and Legal Papers, box 6, f. 41; CPH to HEH, Dec. 24, 1897, HEH Collection.
CPH to HEH, Dec. 24, 1897, HEH Collection.
CPH to HEH, Dec. 2, 1897, HEH Collection.