ProCon.org has been cited in over 550 books, that we know of, by authors such as Glenn Beck, Mark Bittman, Newt Gingrich, Stefan Halper, Dick Morris, Condoleezza Rice, Michael Schmoker, Tavis Smiley, and Joseph Stiglitz. If you know of a book that references ProCon.org that is not on our list, please let us know!
Jonathan P. Caulkins, Beau Kilmer, Mark A. R. Kleiman
Cites information from our website about medical marijuana. The authors wrote, "ProCon.org is a nonprofit that attempts to provide unbiased reviews of evidence pertaining to controversial topics in a manner that is transparent to all via its website."