book: the new campaign finance sourcebook

This has been in my bookmarks for a while now. It has one chapter and one appendix on the implications of the Internet for campaign finance laws, and viceversa. In the US.

The New Campaign Finance Sourcebook

Anthony Corrado, Thomas E. Mann, Daniel R. Ortiz and Trevor Potter
Brookings Institution Press 2005

See specifically:

Chapter Nine:
Election Law and the Internet (PDF)
by Trevor Potter and Kirk L. Jowers

Appendix:
Cases Concerning the Internet (PDF)
by Trevor Potter and Kirk L. Jowers
Updated January 2005

If you have more time to devote to online elections, also consult the useful companion website.