Rutgers, The State University of New Jersey
Primary Printed Series -- Phonograph Companies - Domestic: Edison Phonograph Works (1889-1892)
"To the Companies Using the Edison Phonograph." 1889. 3 pp.
"Inspector's Handbook of the Phonograph." 1889. 75 pp. [very tightly bound].
"Catalogue of Musical Records." 1892. 9 pp.
Courtesy of Thomas Edison National Historical Park.