http://en.wikipedia.org/wiki/Tesla_coil

http://www.amasci.com/tesla/tesla.html

http://www.pbs.org/tesla/ins/lab_tescoil.html

http://www.teslamap.com/guide.html

http://www.answers.com/topic/tesla-coil

http://www.altair.org/tesla.html

http://tesladownunder.com/Tesla_coils_intro.htm

http://www.pupman.com/

http://www.angelfire.com/electronic/cwillis/tesla.html

http://www.teslasociety.com/teslacoil.htm