In Old Ads, Doctors and... www.nytimes.com

Blowing smoke: Vintage ads... www.cbsnews.com

Throwback Thursday: When... www.adweek.com

The “More Doctors Smoke... csts.ua.edu

Doctors smoking? New... scopeblog.stanford.edu

Is This a Real 'More... www.snopes.com

Blowing smoke: Vintage ads... www.cbsnews.com

The “More Doctors Smoke... csts.ua.edu

1950s Vintage Cigarette... www.alamy.com

Advertisement: "20,679*... www.researchgate.net

History Photographed on X:... x.com

More doctors smoke camels... www.gettyimages.com

Camel Cigarette AD 1946.... www.amazon.de

More Doctors Smoke Camels |... nyamcenterforhistory.org

Surgeon General's 1964... www.health.harvard.edu

Advertisement from the... www.researchgate.net

Cigarette Advertising More... www.ebay.com

Figure 1 from "The doctors'... www.semanticscholar.org

When Cigarette Companies... www.history.com

Amazon.com: Camel Cigarette... www.amazon.com