"Mack Gordon". Academy Awards Database. The Academy of Motion Picture Arts and Sciences. Archived from the original on 17 July 2013. Retrieved July 16, 2013.
oscars.org
awardsdatabase.oscars.org
"Mack Gordon". Academy Awards Database. The Academy of Motion Picture Arts and Sciences. Archived from the original on 17 July 2013. Retrieved July 16, 2013.