Teleregister Corporation, su Selling the Computer Revolution, Computer History Museum. URL consultato il 21 dicembre 2018.
«In 1948, Western Union established one of their divisions, Teleregister, as a separate company. Its communications expertise gave it a prominent position in the uniting of elementary data processing and data transmission. It produced display units for stock brokers, and, in 1952, created a seat management system for the American Airlines New York Office.»