It probably refers to a set of fourteen paintings by the artist Francisco Goya (referred to as the Black Paintings). They're pretty dark. I don't actually know much about them, but searching "fourteen black paintings" comes up with a Wikipedia article for these...
It probably refers to a set of fourteen paintings by the artist Francisco Goya (referred to as the Black Paintings). They're pretty dark. I don't actually know much about them, but searching "fourteen black paintings" comes up with a Wikipedia article for these...