Some armies in that booklet are the suggested (and usually played) tournament variant
Some where featured in the magazines
We had two fan-based "design" teans over the years, the first being Project Norse (which did "get" some minis from it however). THe second being the Oriental Warmaster Team. Their results where, among others: two Araby lists (to reflect either the wealthier Arab cities and the roaming desert raiders. The Nippon lists and Cathay also spring from there, as well as the Indies list that found final fruitatrion in the French forums (IIRC) and there was Shangri-la list which reflected the long (un)living.
The Araby lists where with Andy and Rick when Studio got a whiff of them. We were called of and they where then "properly"
done (with miniatures) by Studio (at that time if I recall corectly, with the intention of also going into WHFB
Other lists stem from fans that chapioned either a certain army and from scenario based setting (eg. the Dwarf Slayer Army)