Quote Originally Posted by Private-Prinny View Post
He would get access to divine spells based on his Archivist level, and access to arcane (I'm assuming these are arcane) spells based on his Spellweaver level.

Or did you mean a Spellweaver who chose the Archivist spell list as the list to pick from? In that case, he would get no spells, since the Archivist spell list doesn't exist. Archivists simply borrow spells from the Cleric/Druid lists.
I was under the impression there spell list was "all divine spells".