The episode opens with a quote by Thomas Paine. "Nothing, they say, is more certain than death, and nothing more uncertain than the time of dying."
In one of the books Eve examines, titled simply "Incantations," one section in the book is labeled Merseburg Incantations, which are medieval magic spells, charms, or incantations, written in Old High German in either the 9th or 10th century. They are the only known examples of Germanic pagan belief preserved in the language.
For the first time, a shot of Monroe and Rosalee's home was used for the opening quote scene.
The excerpt of the poem that Monroe recites to Rosalee, written by William Butler Yeats, is entitled "When You Are Old."
When Nick looks up information on Maddie Simms, the names Chris Lewis and Eli Thomashefsky are shown in connection to some of Maddie's recent online activity. This is a reference to crew members of Grimm, as Chris Lewis has worked as a Set Dresser since season 1, and Eli Thomashefsky has worked as the Department Head of Video Playback since season 1.