The sixth chapter investigates the process of condensation and the way in which the manifest content is expressed through the latent content.  
In the second preface to this work, the author states that it was profoundly influenced by his experience of his father's death, which occurred three years before its publication.  Turning away from symbolic and decoding interpretations, the author seized upon the idea of wish-fulfillment, claiming that this was the key to the phenomena.  The sixth chapter investigates the process of condensation and the way in which the manifest content is expressed through the latent content.  FTP name this seminal 1900 work by Sigmund Freud.
In the second preface to this work, the author states that it was profoundly influenced by his experience of his father's death, which occurred three years before its publication.  
The Interpretation of Dreams