Zimmer, Dieter E., and Annelore Engel-Braunschmidt. Nachwort des Herausgebers/Anmerkungen to Nabokov: Die Gabe. 1993
Wu, Juan. The Othering Biological Poetics: Evolution, Speciation and Lepidoptery in Nabokov's The Gift and "Father's Butterflies". 2022/23
Suzuki, Akira. Gitai to Genshi - Vladimir Nabokov no Tamamono [Mimicry and Epiphany: Vladimir Nabokov's The Gift]. 2003