which movies was Edgar Rice Burroughs a writer on? John Carter, Tarzan, Tarzan the Ape Man, the Ape Man, The Land That Time Forgot, Tarzan Finds a Son!, At the Earth's Core, Tarzan Escapes, Tarzan's Secret Treasure, The People That Time Forgot, Tarzan and the Lost City, Tarzan's Greatest Adventure, Tarzan the Fearless, Tarzan's Magic Fountain, The Adventures of Tarzan