Here is a partial list of places The CERT Guide to Coordinated Vulnerability Disclosure has appeared.
2018-12-14 - Economics of Vulnerability Disclosure (ENISA)
2018-10-23 - The Criticality of Coordinated Disclosure in Modern Cybersecurity (US House Energy and Commerce Committee, Majority Staff)
2018-09-18 - It Takes a Village: How Hacktivity Can Save Your Company (Atlantic Council)
2018-07-11 - Senate Testimony regarding Complex Cybersecurity Vulnerabilities: Lessons Learned from Spectre and Meltdown (Art Manion's testimony to the US Senate)
2018-06-28 - Software Vulnerability Disclosure in Europe: Technology, Policies and Legal Challenges (Centre for European Policy Studies)
2018-02-07 - Response to US House Energy and Commerce Committee regarding Meltdown and Spectre (Microsoft)
2018-01-31 - Response to US House Energy and Commerce Committee regarding Meltdown and Spectre (Intel)
2017-11-28 - AMA with Authors of The CERT Guide to Coordinated Vulnerability Disclosure (HackerOne)
2017-10-26 - Your TL;DR Summary of the CERT Guide to Coordinated Vulnerability Disclosure (HackerOne)
2017-08-16 - This one matters, too: Carnegie Mellon issues guide to disclosing software vulnerabilities responsibly (cyberscoop)
2017-08-15 - CERT Guide to Coordinated Vulnerability Disclosure Released (Software Engineering Institute)