The IBM ACS System: A Pioneering Supercomputer Project of the 1960s. Speakers: Russ Robelen, Bill Moone, John Zasio, Fran Allen, Lynn Conway, Brian Randell. Computer History Museum, February 18, 2010.
In 2011 Guy L Steele interviewed Fran Allen. That interview was published in here.and is available
Additional material of interest can be found in:
Allen, Frances E., Oral interview, IBM Corporate Archivist
Buchholz, Werner (ed.), Planning a Computer System: Project Stretch, McGraw-Hill, 1962. (In the public domain.)
Video clips from Frances Allen's oral history interview, IBM Archives, are available here.