Maker van de C-programmeringsspraok Dennis Ritchie (70) euverleje/Brónne

• "The National Medal of Technology and Innovation Recipients" — United States Patent and Trademark Office, accessed October 14, 2011
• Martin Campbell-Kelly. "Dennis Ritchie obituary" — The Guardian, October 13, 2011
• "Unix creator Dennis Ritchie dies aged 70" — BBC News Online, October 13, 2011
• Cade Metz. "Dennis Ritchie: The Shoulders Steve Jobs Stood On" — Wired News, October 13, 2011
• Steven Musil. "Dennis Ritchie, father of C programming language, dies" — CNET, October 13, 2011
• Sean Gallagher (Ars Technic). "Dennis Ritchie, Father of C and Co-Developer of Unix, Dies" — Wired News, October 13, 2011
• David Schneider. "Dennis Ritchie (1941 - 2011)" — IEEE Spectrum, October 13, 2011