More on 17P/Holmes can be found on the following websites:

Astronomy
http://www.astronomy.com/asy/default.aspx?c=a&id=6157

Tyler Paper
http://www.tylerpaper.com/article/20071113/NEWS08/711130310/-1/NEWS

Daily Herald
http://www.heraldextra.com/content/view/243222/

Wiki
http://en.wikipedia.org/wiki/17P/Holmes

Sky and Telescope
http://www.skyandtelescope.com/observing/home/10775326.html

Gary Kronk
http://cometography.com/pcomets/017p.html

Comet Chasing
http://www.cometchasing.skyhound.com/index.html