Three Contributions to the Theory of Sex is a 1905 work by Sigmund Freud which advanced his theory of sexuality, in particular its relation to childhood.

Landmark study examines sexual aberrations, infantile sexuality and the transformations of puberty. A unique work, according to translator A. A. Brill, it is "u

Three Essays on the Theory of Sexuality, sometimes titled Three Contributions to the Theory of Sex, is a work by Sigmund Freud which advanced his theory of sexu

The Three Essays / Contributions underwent a series of rewritings and additions over a twenty-year succession of editions - changes which expanded its size by o