The question might be referring to Sigmund Freud's The Interpretation of Dreams, originally published by Basic Books.
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Sigmund Freud.
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Freud created a method of dream analasis for interpreting dreams to assist with his Psychoanalysis of troubled (rich) folk....
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Freud referred to the hidden meaning of dreams as the "latent content," which represents the unconscious desires, thoughts, and emotions that are disguised in the manifest content of dreams.