AUTHOR FIRST, THEN WORLD

Norman = Gor
Hamilton = Kaldar
Fox = Llarn
Gramlich = Talera
Vance = Tschai
Cole = Ur
Brackett = Skaith
Leiber = Nehwon
Akers = Kregen
Burroughs = Barsoom
Norton = Janus
Zelazny = Amber
Walker = Magira
Howard = Almuric
Dowdell = Ghandor

The original quiz is here.