Sorry about making a blatant plug, but I think you might be interested in this podcast: http://armchairadven...all-of-cthulhu/
The Grognard Files is about rediscovering table top RPGs from back in the early 1980s. The latest episode goes back to the second edition box set produced by Games Workshop and how our group tried to make the conceptual leap from dungeons into madness.
You can find it on iTunes here too: https://itunes.apple...1028591522?mt=2
Dirk the Dice