References
- www.cubs.com (http://www.cubs.com) Sortable team stats accessed October 9 2009
- D. White The major league baseball attractor Journal of Interdisciplinary Mathematics 10 2 2007 229 244
- www.cardinals.com (http://www.cardinals.com) Scoreboard (for October 8, 2009) accessed December 9 2009.
- G. Stout R. Johnson The Cubs Houghton Mifflin Boston 2007
- P. Hughes Cubs/Phillies broadcast on WGN Radio Chicago May 19 2010