Course specific:
Web CT

Resources:
Graphic Communications Central

Graphic Design Central

Adobe.com

Professional Organizaions:
Graphic Arts Industry Network (GAIN)

DesMoines Club of Printing House Craftsmen

Printing Industries of America & Graph Arts Technology Foundation (PIA/GATF)

American Institute of Graphic Arts (AIGA)

Digital Printing & Imaging Association (DPIA)

Flexographic Technical Association (FTA)

Screen Printing & Graphic Imaging Association International (SGIA)