An article by Chuck Woodbury in Out West, 2004.

National Public Radio report by Lars Hoel, aired Jan. 21, 2002.

Article in ThirdAge, June 18, 1997, discussing American Safety Razor Inc.'s release of a new line of Burma Shave creams, lotions, razors and blades.

Community edited article on h2g2.

Article in Sign Industry by Lara Moody, Feb. 15, 2000.

Article in 1997 Pennsylvania Turnpike newsletter by Christina Hampton, includes some Pennsylvania Turnpike verses.

Transcript and audio archive from The Engines of Our Ingenuity radio broadcast, by John Lienhard.

Article by Robb White from the Smithsonian Magazine, August 2000.

Discusses the promotion that promised to send the winner to Mars, by Barbara Mikkelson.

Article by Martin Waterman in the January 1996 issue of Backwoods Home Magazine.