URL	Title	Id
http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_13_4_019.html	Chapter 1. calc_tutorial_13_4_019	50d2c86cb11c0f371e000000
http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_13_4_019_dlap.xml	DLAP questions	50d2c86cb11c0f371e000000