Warhammer Archaeology
Gideon over at the Strike to Stun forum has trawled through a lot of early Citadel publications and traced the growth of the Warhammer mythos from 1983 to 1987. His work gives a perfect insight into the grimdark world’s light-hearted origins and early development, and it brought up a few memories that I had forgotten all about.
Strike to Stun is one of the first WFRP/Warhammer fan forum sites, and it’s still one of the very best. If you haven’t already checked it out, I’d recommend taking a look.
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enemy within, fantasy, game writing, games, games workshop, memories, miniatures, roleplaying, roleplaying games, rpg, rpgs, warhammer, warhammer fantasy roleplay, WFRP
Graeme Davis 
If you’re interested in the early days of Warhammer and WFRP, this old post from the Fighting Fantasist blog is also worth checking out. Coop gets a lot of stuff right, and there’s a good discussion in the comments thread.
http://fightingfantasist.blogspot.com/2012/06/wfrp-not-syphilitic-not-knee-deep-in.html
And speaking of Warhammer archaeology, Zhu Baije (of the excellent Realm of Zhu blog at http://realmofzhu.blogspot.co.uk/) pointed me to some collections of old Citadel fliers and order inserts, containing a further wealth of early Warhammer lore.
They are from before my time at GW so I can’t offer any particular insights, but they make interesting reading.
Here are the links:
http://eldritchepistles.blogspot.co.uk/search/label/Inserts
http://eldritchepistles.blogspot.co.uk/search/label/Fliers
http://eldritchepistles.blogspot.fr/2013/08/citadel-box-set-scenarios-useful.html