Lemony Snicket's A Series of Unfortunate Events features a character named Esmé Squalor, in a sly reference to this story. (Source)
The NYC-based band We Are Scientists named their 2007 debut album With Love and Squalor – check it out at their website!
In 1977, Esquire magazine published an anonymous story titled, "For Rupert – with no promises." Rumor had it that the reclusive Salinger had penned it; however, it turned out that the story's author was the magazine's editor, Gordon Lish. (Source)