| http://digfir-published.macmillanusa.com/hm_custom_osu/potter_50324_tpm_questions.html | Chapter 2.
| 5239acb9757a2ed415000000 |
| http://digfir-published.macmillanusa.com/hm_custom_osu/potter_50324_tpm_questions_dlap.xml | DLAP questions | 5239acb9757a2ed415000000 |