| Welcome Page for Instructors | changing1e_ch101_1.html | 543294e4757a2e5953000000 |
| DLAP questions | changing1e_ch101_1_dlap.xml | 543294e4757a2e5953000000 |
| Welcome Page for Students | changing1e_ch101_2.html | 543294e4757a2e5953000000 |
| DLAP questions | changing1e_ch101_2_dlap.xml | 543294e4757a2e5953000000 |