Johnson, D. Barton. Preliminary Notes on Nabokov's Russian Poetry: A Chronological and Thematic Sketch. 1991
Efimov, Mikhail. Walking on the Ice and Conversations with Shadows (Commentary to a Poem by Nabokov). 2012
Broude, Faina. The Development of the Theme of Nostalgia in the Poetry of the First Russian Emigration and Vladimir Nabokov. 1988
