Tobacco control - Wikipedia

List of smoking bans in the United States - Wikipedia

How to tell who edited a Wikipedia page

By Mikael Häggström (All used images are in public domain.) [Public domain], via Wikimedia Commons. - ppt download

Smoking in Japan - Wikipedia

3 Ways to Smoke - wikiHow

List of smoking bans - Wikipedia

Berkshires Take Look At Raising Tobacco Purchasing Age

Electronic cigarette - Wikiwand

Chemical and physical properties of nicotine (on the left, adapted from

Russia threatens to block access to Wikipedia – Euractiv

Tobacco politics - Wikipedia

Tobacco - Wikipedia

U.S. government and smoking cessation - Wikipedia

U.S. history of tobacco minimum purchase age by state - Wikipedia