Spatial Information Resources 

NITLE GIS Tutorials
"Modules designed to explain the fundamentals of making maps with ESRI's ArcGIS software." Requires free sign-up, and downloading of data. Tutorial text and data also available on campus network repository.

Census Mapping Tutorial
From the Harvard Design School, a guide to making appropriate use of census data in ArcView.

ESRI Training & Education
"Find all the company's educational resources in one location on the Internet." Home of the ESRI Virtual Campus Library, "the most comprehensive guide to GIS literature on the Internet." Trintiy University has  unlimited free access to all Virtual Campus courses. Contact Jeremy Donald to get started.