1890 [Supplied year] Trask (Spencer) & Co -- Circulars and Brochures
(North American Phonograph Co; Lippincott, Jesse H) Stocks, bonds, and investments; Patent assignments, licenses, and royalties; Cylinder phonograph
[QP009A]  Litigation Series -- Phonograph Cases: Edison v. Hardin
[QP009A105; TAEM 117:364]
Courtesy of Thomas Edison National Historical Park.