Jennifer Jareau: "...and so all the night tide, I lie down by the side, of my darling, my darling, my life and my bride. In the sepulcher there by the sea, in her tomb by the sounding sea." Edgar Allan Poe
David Rossi: "For those who believe, no proof is necessary. For those who don't believe, no proof is possible." Stuart Chase
"Cold comfort" is a phrase that means "poor or inadequate consolation".
The names Roderick Gless and Stanley Usher are a possible reference to Roderick Usher, a character in The Fall of the House of Usher by Edgar Allan Poe, who is also the source of the quote used at the beginning of the episode.
In one scene, a delivery truck parked in an alleyway has a sign reading Bernero Linen Supply, as a reference to executive producer Edward Allen Bernero.