Reaching Out: The Evolution of Communication
- Interactive educational site discusses changes in communication technology, from hieroglyphics to the printing press to the Web.
- http://library.thinkquest.org/26451/

Melcrum
- Articles on aspects of communication in corporations, including public relations, measurement and change management.
- http://www.melcrum.com

Text-e.org
- The impact of new technologies on reading, writing, scientific communication and publishing. Features ten target-papers and discussions [in english, french and italian].
- http://www.text-e.org

Claes de Vreese
- Resource for teaching and research on political communication, public opinion, media effects, campaigns, and media and politics.
- http://www.claesdevreese.com

Happy Fun Communication Land
- Tutorials, study questions, glossary, and citations facilitate secondary or undergraduate learning about communication theory. Whole site is searchable.
- http://www.rdillman.com/HFCL/nexus.html

Communications Central
- Links to resources and definitions related primarily to semiotics, interpersonal communication, organizational communication, health communication, and nonverbal communication. From Governor's State University.
- http://www.govst.edu/commcentral/

Mick's Communication, Cultural and Media Studies
- Extensive list of interlinked definitions of concepts related to cultural studies and media ecology.
- http://www.cultsock.ndirect.co.uk/MUHome/cshtml/