References for John Todd
- D Albers, John Todd - numerical mathematics pioneer, College Math. J. 38 (1) (2007), 2-23.
- D Kobata, John Todd: Adding it All Up.
- T H Maugh II, John Todd, 96, mathematician : Caltech whiz paved way for large computers, Los Angeles Times (27 June 2007).
- Pioneer of 20th-century mathematics John Todd dies, Caltech press release (25 June 2007).
- Professor John Todd, The Telegraph (5 July 2007).
- Douglas Rogers, Personal communication (July 2007).
MacTutor History of Mathematics