Panelists John D. Haefele, Don Herron, Rick Lai, Tom Krabacher (moderator), and Nathan Vernon Madison explore the inspirations and origins of the Cthulhu Mythos as opposed to the Lovecraft’s Mythos and the Mythos of his contemporaries, as well as the controversies and personalities involved with these ideas over the years.
From PulpFest.com: http://www.pulpfest.com/2015/07/the-call-of-cthulhu-and-the-lovecraft-mythos
John D. Haefele: http://www.amazon.com/John-D.-Haefele/e/B00J6EJRDM
Don Herron: http://www.donherron.com/
Tom Krabacher: http://www.csus.edu/geog/Geog-Faculty/TomKrabacher.html
Nathan Vernon Madison: http://argonotes.blogspot.com/