The Literature of Laughing Gas
theparisreview.org
theparisreview.org
Also, during that experiment, I did some research via Erowid and discovered this fascinating article about "Nitrous gangs." [0] It turns out, nitrous at music festivals is a highly profitable and banned venture. To thwart this, gangs have been organizing financially and physically to sell nitrous to concert-goers without getting caught by organizers. The article reads a bit like a Pricenomics entry:
[0] http://www.villagevoice.com/2010-07-06/music/hippie-crack-ni...