URL	Title	Id
http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_16_5_006.html	Chapter 1. calc_tutorial_16_5_006	50ccbaf9b11c0f4d7d000000
http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_16_5_006_dlap.xml	DLAP questions	50ccbaf9b11c0f4d7d000000