(Rescued from the class blog for J201, Introduction to Mass Communication.)
Here at UW-Madison, our top-notch campus library offers many resources targeted to journalism & mass communication research issues. Here are a few.
The Library has put together Undergraduate Research Guides on a wide variety of topics, including several communication-related areas:
For finding full-text articles online, check the E-Resource Gateway for communication and media information resources which lists over forty different bibliographic databases, including these communication-specific ones:
Rather than simply turning to Wikipedia when curious about communication topics, why not visit these topic-specific encyclopedias?
And finally, from our own Professor Stephen Vaughn, an Annotated Bibliography on New Communication Technologies.