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.
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.