. "Pamphlets on patents, inventions, and trademarks, ideas for inventions, descriptions of patented products, and pamphlets by attorneys on how to obtain patents; includes copy of a specification for the patent of a phonogram blank by Thomas A. Edison." . . . . . . . . . "Trade catalogs of patents" . . . . . . "Patents" . . . . . . . . . . . . . . . . . "Pamphlets" . . . . . . "Samuel Cooper (Firm)" . . "Robert D.O. Smith (Firm)" . . "W.T. Fitz Gerald & Co." . . "Watson E. Coleman (Firm)" . . "William C. Linton (Firm)" . . "Wedderburn (Firm)" . . "Robb & Robb." . . "William E. Hoyt (Firm)" . . "R.S. & A.B. Lacey (Firm)" . . "Victor J. Evans & Co." . . . . "Pacific Coast Patent Agency." . . "William N. Moore & Company." . . "Richards & Co." . . "Washington (D.C.)" . .