Nov 18, 2005 · Ars Goetia. For the main article on this section, see Goetia. The Ars Goetia ("the art of goetia), often simply called the Goetia, is the first section of the 17th century grimoire Lemegeton Clavicula Salomonis, or The Lesser Key of Solomon. Much of the text appeared earlier, with some material dating to the 14th century or earlier.