I Capture the Castle guests describe each other in terms of famous artists. Topaz is called a work by William Blake, Rose is said to resemble Emma, Lady Hamilton, the muse of the painter George Romney, Simon says that Cassandra is like "Girl with a Mousetrap," a painting by Joshua Reynolds, and Mrs Fox-Cotton is said to be a work by Salvador Dalí "with snakes coming out of her ears". Simon introduces Cassandra to the works of Claude Debussy: "Clair de lune", "La cathédrale engloutie", "La terrasse des audiences du clair de lune". She also listens to J. S. Bach's "Sheep May Safely Graze"
La Lune contribute caricatures to this successor of "La Lune" as well. La Lune La Lune ("The Moon") was the name of a nineteenth-century French weekly four-sheet newspaper edited by Francis Polo. The illustrator André Gill became known for his work for this journal, in which he drew caricatures for a series entitled "The Man of the Day". Napoléon III disliked the portrait of him drawn by Gill. In December 1867, the journal was censored. ""La Lune" will have to undergo an eclipse," an authority commented to the editor Polo when the ban was instituted, unwittingly dubbing Polo's subsequent publication: "L'Éclipse", which