Difference Between Goblin and Gnomish Rocket Boots (Vanilla WoW Engineering) - YouTube
Guide to Engineering Specializations (Classic WoW)
The Engineering overview/guide finally done, covering the differences between Gnomish and Goblin, useful gadgets for both PvP and PvE, some history and small tips on making gold. : r/classicwow
WoW Classic engineering guide - craft your way through Vanilla | MMO Auctions