^Aggrawal, Anil (2009). Forensic and Medico-legal Aspects of Sexual Crimes and Unusual Sexual Practices. Boca Raton: CRC Press. p. 121. ISBN1-4200-4308-0. "Glass fetishism - Fetishistic attraction to people wearing prescription glasses, sunglasses, or cosmetic contact lenses or the act of wearing glasses or the glasses themselves. Other related activities include wearing glasses during sexual acts and ejaculation on glasses." Accessed Feb 5th, 2013
^Abraham, Karl (January 1, 1988). Selected Papers on Psychoanalysis (Maresfield Library). Translated by D. Bryan and A. Strachey. Karnac Books. p. 179. ISBN0-946439-59-1.