Efthim Dodona is a fictional author created by "The Simpsons" television show in the episode "Diatribe of a Mad Housewife." The character Efthim Dodona is portrayed as a reclusive Albanian author whose works are said to be very obscure and esoteric. In reality, there is no known author named Efthim Dodona outside of this fictional context.

Johannes de Alta Silva is known for writing "Ars notoria," one of the oldest texts that falls under the category of "Notory Art of Solomon." This work is a medieval grimoire, a book of magic spells and invocations believed to impart supernatural abilities of memory and knowledge.