Rutgers, The State University of New Jersey
Primary Printed Series -- Phonograph Companies - Domestic: National Phonograph Co (1897-1898)
"Price List of Parts of Edison Phonographs." 1897. 15 pp.
"Edison Phonographs, Outfits, and Supplies." ca. 1898. 24 pp.
"Edison Automatic Nickel-In-The-Slot Phonograph and New Home Phonograph." ca. 1897. 3 pp. [not selected]
Courtesy of Thomas Edison National Historical Park.