I completed The God Hakkar - Quest - Classic World of Warcraft (wowhead.com) Got my dirk for vendor.
Prospector Ironboot on the otherside of Steamwheedle Port should offer The Lost Tablets of Mosh’aru - Quest - Classic World of Warcraft (wowhead.com) or the sod equivalent of it if applicable.
But he does not and the chain just abruptly ends.
I understand the step after requires lbrs. I just figured the epl part would be available.