IBM Rochester: A Half Century of Innovation (IBM, 2006—a commemorative history prepared by the Charles Babbage Institute based on interviews and documentary research) available on line from the CBI website.
IBM 로체스터: A Half Century of Innovation (IBM, 2006 -- a commemorative history prepared by the Charles Babbage Institute based on interviews and documentary research) available on line 찰스 바베지 인스티튜트 웹사이트 제공.