Boyd, Brian. Vladimir Nabokov: The Russian Years, Prince-ton University Press, 1990, pp. 250-53.

Field, Andrew. Nabokov: His Life in Art, Boston: Little, Brown and Co., 1967, pp. 141-42.

Grossmith, Robert. "The Future Perfect of the Mind: 'Time and Ebb' and 'A Guide to Berlin'." In A Small Alpine Form: Studies in Nabokov's Short Fiction, edited by Charles Nicol and Gennady Barabtarlo, Garland Publishing Co., 1993, pp. 149-53.