Edgar Rice Burroughs was a human writer.
Ian Chesterton had read Burroughs' Mars books as a boy. (COMIC: A Religious Experience)
Iris Wildthyme had the works of Edgar Rice Burroughs on board her TARDIS. (PROSE: The Scarlet Empress)
The Eighth Doctor met Edgar Rice Burroughs once and chatted with him about Mars, though he was only half-listening. He also wrote Tarzan. (PROSE: Eater of Wasps)