Rutgers, The State University of New Jersey
Primary Printed Series -- Non-Edison Companies: International Textbook Co (1903-1904)
"Languages: I.C.S. System with Phonograph." 1903. [From Scrapbook, Cat. 44,494.]
"Back Talk by the I.C.S. Language System with Repeating Phonograph." 1904. [From Scrapbook, Cat. 44,494.]
"Lessons in Speaking, Reading, and Writing the English Language for Foreigners." 1904. [From Scrapbook, Cat. 44,494.]
Courtesy of Thomas Edison National Historical Park.