Shvabrin, Stanislav. Emile Verhaeren and the Earliest Intimation of Potustronnost’, Nabokov’s ‘Main Theme’. 2012
Sears, Jennifer. Kissing Her Ellipses: Dreams and Narrative Texture in Nabokov's "Ultima Thule Theme". 2020/21
Rakhimova-Sommers, Elena. The Ona of Nabokov's Hereafter: Female Characters as Otherworldly Agents in Nabokov's Fiction. 2001
Metzger, Sabine. “The Mysteries of Mimicry” and Nature as Supreme Art: Nabokov’s Intangible Nature. 2015
Eklund, Erik, Christopher Link, Mary Ross, Matthew Roth, and Michael Wood. Nabokov and Religion: Forum, Part Two. 2023
