===External articles===
* Steve Lilienthal, [http://www.prweekus.com/PR-TECHNIQUE-PUBLIC-AFFAIRS--New-generation-of-grassroots-campaigns--Now-that-everyones-onto-phony-Astroturf-campaigns-Steve-Lilienthal-turns-up-the-newest-ideas-for-organizing-at-the-grassroots-level/article/36299/ "PR Technique: Public Affairs: New generation of grassroots campaigns"], ''PR Week'', October 4, 1999.
* Phil Rabin, [http://www.prweekus.com/Veterans-enlist-Bonner-to-heighten-political-profile/article/38739/ "Veterans enlist Bonner to heighten political profile"], ''PR Week'', September 27, 1999.
*Ted McKenna, "[http://www.prweek.com/uk/news/article/574623/Indian-American-group-promotes-nuclear-trade/ Indian-American group promotes nuclear trade]", ''PR Week'' (sub req'd), July 27, 2006.
*Jessica Holzer, "[http://www.thehill.com/thehill/export/TheHill/Business/020607_grass.html Grassroots campaigns poised to gain by ethics rule changes]," ''The Hill'', February 6, 2007.