Keene executed the poster design ‘Win the Peace’, conceived by Armstrong-Warden, in six-colour lithography. He illustrated the books Thrills, Crimes and Mysteries in 1935, and McGowan Goes Motor Racing in 1949.
Information collated from: Rareposters.com, ‘Don’t Use Water for Fires Near Electrical Equipment’, http://www.rare-posters.com/705.html, accessed October 4 2003.