Engelstein, L. (1992). The keys to happiness: Sex and the search for modernity in fin-de-siècle Russia. Cornell University Press.

Engelstein, Laura. The Keys to Happiness: Sex and the Search for Modernity in Fin-de-siècle Russia. Ithaca: Cornell University Press, 1992.

Engelstein, Laura. The Keys to Happiness: Sex and the Search for Modernity in Fin-de-siècle Russia. Cornell University Press, 1992.