Memory Lane: the Super Bowl down the years – in pictures, Sport
Super Bowl I: Chiefs' Len Dawson enjoyed a smoke at halftime - Kansas City Business Journal
Len Dawson smoking a cigarette in the locker room during halftime of Super Bowl 1 (January 15, 1967) : r/OldSchoolCool
Photos of Chiefs' Len Dawson smoking cigarette at Super Bowl I are iconic - The Washington Post
Super Bowl I: Facts about the first championship in history played by the Chiefs, Packers
Len Dawson: Chiefs QB's Super Bowl cigarette photo is perfect tribute
A Former San Francisco 49er Reveals How NFL Players Really Feel About the Super Bowl Halftime Show
Why Chiefs QB Len Dawson was smoking at halftime of Super Bowl I, and how it became immortalized
The story behind Len Dawson's halftime picture with Fresca
The story behind Len Dawson's halftime picture with Fresca
The story behind Len Dawson's halftime picture with Fresca
Former NFL star and broadcaster Len Dawson passes away
Photo of QB smoking cigarette at Super Bowl halftime remains iconic - PressReader
Review: 'Nicotine,' the Stuff of Burning Desire - The New York Times