Identify the one that has not been paired correctly

The correct answer is: Madness and civilization- Roland Barthes.

To determine the incorrect pairing, we can examine the authorship of each work listed:

1. Criticism in the Wilderness: This influential work of literary criticism was written by Geoffrey Hartman and published in 1980. This pair is correct.
2. Madness and Civilization: This famous historical study of insanity was written by the French philosopher and social theorist Michel Foucault (originally published in 1961), not by the structuralist/post-structuralist theorist Roland Barthes. Therefore, this pairing is incorrect.
3. Poetry and Repression: Subtitled Revisionism from Blake to Stevens (1976), this book was written by the literary critic Harold Bloom. This pair is correct.
4. Strangers to Ourselves: This 1989 work addressing the concept of the stranger, foreignness, and psychoanalysis was written by the psychoanalyst and philosopher Julia Kristeva. This pair is correct.

Consequently, the incorrectly matched pair is "Madness and civilization- Roland Barthes".