| What is a 527 Group? - http://en.wikipedia.org/wiki/527_organization |
| 527 Political Organizations - http://www.bna.com/webwatch/527orgs.htm Courtesy of the Bureau of National Affairs, Inc. - Read more |
| Dr Sanity: Monster 527 Organizations - http://drsanity.blogspot.com/2004/08/monster-527-organizations.html |
| The Brookings Institutions primer on 527 Organizations - http://www.brook.edu/gs/cf/headlines/527_intro.htm |
| Tax Information for Political Organizations - http://www.irs.gov/charities/political/ Courtesy of the IRS - Read more |
| Facts about 527s - http://www.bettercampaigns.org/freeairtime/factsheets/527s.pdf Courtesy of the Alliance for Better Campaigns (.pdf Format) - Read more |
| Types of Advocacy Groups - http://www.opensecrets.org/527s/types.asp |
527 Groups