| http://digfir-published.macmillanusa.com/hm_custom_osu/hmlsu_wischusen_f13_lab10_prelab5.html | Chapter 2. Writing Lab
| 51e42f57b62f8b822e00000f |
| http://digfir-published.macmillanusa.com/hm_custom_osu/hmlsu_wischusen_f13_lab10_prelab5_dlap.xml | DLAP questions | 51e42f57b62f8b822e00000f |