The photo's even from the right time period.

"There's no use in my trying to tell you what they were like, because the awful, the blasphemous horror, and the unbelievable loathsomeness and moral foetor came from simple touches quite beyond the power of words to classify. There was none of the exotic technique you see in Sidney Sime, none of the trans-Saturnian landscapes and lunar fungi that Clark Ashton Smith uses to freeze the blood. The backgrounds were mostly old churchyards, deep woods, cliffs by the sea, brick tunnels, ancient panelled rooms, or simple vaults of masonry. Copp's Hill Burying Ground, which could not be many blocks away from this very house, was a favourite scene."