www.odwyerpr.com
Listings of PR firms

http://aboutpublicrelations.net/index.htm
All about Public Relations

www.prplace.com
PRplace.com: A well-organized and well-presented compendium of PR Resources

www.clickz.com
Web marketing column 

www.knowthis.com/
Resources for Marketing, Advertising and Promotion

www.mediamiser.com/
PR glossary

www.marketitright.com/
Market it Right.com

http://advertising.utexas.edu/world/
Advertising World. Link site.

www.o-a.com/online-ads.html
Online advertising discussion list.

http://changingminds.org/
Changing minds

www.prmuseum.com/
PR Museum.  Spector & Associates

www.emergingtechpr.com
PR information for emerging technology companies

www.prandmarketing.com
PR and Marketing Network.  A resource for news and strategies.

www.marcommwise.com
Marcommwise:  A source for marketing communication knowledge.

www.lawmarketing.com/
The Law Marketing Portal

www.marketing-webguide.de
A marketing and PR resources site for Germany.  In German, French and English.

www.agencyfinder.com
Advertising agency data

www.agencycompile.com
Advertising agency data

www.paintedcows.com/
An advertising and marketing resource

www.costik.com/pub101.html
Publicity 101

www.revenews.com/
Guide to online revenue sharing programs

www.nathan.com/projects/
A history of communications

http://lamar.colostate.edu/~pr/
PR-education.org.  Web portal to PR education

www.marketingprofs.com/
MarketingProfs.com.  marketing know-how.

www.communitelligence.com/index.cfm
Communications and PR knowledge portal

http://scriptorium.lib.duke.edu/eaa/
Emergence of Advertising in America.  Images with database info

http://101publicrelations.com/index.html
How-to articles on PR-related topics

www.yudkin.com/sampleplan.htm
Sample marketing plan

http://groups.yahoo.com/group/prbytes/
PR discussion group

www.adflip.com/
An archive of classic print ads

www.marketingterms.com/
Marketing Terms

www.marketingvox.com/
Marketing site

http://viral.lycos.co.uk/
Tracks viral marketing campaigns in the U.K.

www.alladvertisingagencies.com/
All advertising agencies (Includes PR agencies.)

www.ciadvertising.org/
The Center for Interactive Advertising

http://www3.usal.es/%7Enonverbal/introduction.htm
Web site for nonverbal communication

www.marketresearchworld.net/
Market research portal

www.emarketer.com
emarketer.  Studies on internet marketing

www.tekrati.com/
Comprehensive guide to IT analyst relations

www.ir101.com/
Resources on investor relations

www.piar.pl/
Media guide (Polish)

http://internetpr.pl/
Online PR discussion group (Poland)

http://en.wikipedia.org/wiki/Public_relations
Wikipedia definition of PR

http://poynter.org/content
New Media timeline

www.marketingexperiments.com/
Site dedicated to online marketing experiments

www.cuttingedgepr.com/
eBooks on PR topics

www.whitepapersource.com/
For marketing of white papers

www.xprl.org/
Organization for Extensible Public Relations Language

www.robertniles.com/stats/
www.americanpressinstitute.org
www.ams.org/ams/info-for-journalists.html
Three sites to help journalists and PR practitioners with math questions

www.davidmeermanscott.com/
eBook on press release writing

www.marketingcharts.com/
Marketing data charts

www.oatis.com/
Web sites for journalists

http://changingminds.org/index.htm
Links to persuasion sites

www.warc.com
World Advertising Research Center

www.americanrhetoric.com/
American Rhetoric

www.thespeechwriter.typepad.com/
Speechwriter 2.0

www.public-speaking.org/
Public speaking

www.prchannel.com/dashboard/pr.html
PR dashboard