==External links==
* "[http://www.odwyerspr.com/members/1220pfizer.htm Pfizer still works Ogilvy]", ''O'Dwyers PR Daily'', December 20, 2004.
*Hamilton Nolan, "[http://www.prweek.com/news/news_story_free.cfm?ID=235980&site=3Ogilvy pushes into Russian market with new partnership]", ''PR Week'', March 2, 2005.