URL	Title	Id
http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_15_2_015.html	Chapter 1. calc_tutorial_15_2_015	50c7690eb11c0f2b62000000
http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_15_2_015_dlap.xml	DLAP questions	50c7690eb11c0f2b62000000