The Brodsky frontispieces in the 1919 collection of Baudelaire that Lovecraft owned, and from which he took the opening quote which heads the story “Hypnos” (1922)…

   “Apropos of sleep, that sinister adventure of all our nights, we may say that men go to bed daily with an audacity that would be incomprehensible if we did not know that it is the result of ignorance of the danger.” — Baudelaire.