Date: Jul. 12, 2000
Link: http://www.xfront.com/xml-schema.html
Source Author or Organization: Roger L. Costello

This link downloads a .zip file containing an 88 page step-by-step tutorial on creating schemas with 13 complete, verified examples, and 11 labs with answers (all lab answers are complete and verified). Lessons are displayed in a PowerPoint slideshow, and the lab work requires an XML-capable browser.