1. Don't Surrender Library Values;Bell;Library Journal,2005
2. The Infodiet: How Libraries Can Offer an Appetizing Alternative to Google;Bell,2004
3. We Don't Need Google;Fialkoff;Library Journal,2011
4. Robert Darnton, “A Digital Library Better than Google's,” New York Times, March 24, 2011, http://www.nytimes.com/2011/03/24/opinion/24darnton.html?ref=googleinc (accessed on June 14, 2011)