The author states that the work of interpretation (Deutungsarbeit) in Freudian work may be approached as a rational-conscious process or an unconscious process that occurs between the analyst - analyzed.. The fundamental rules to be born in mind in the interpretation work (Deutungsarbeit) of any manifestation of the unconscious (dream, symptom, insolvent action, etc.) when this is a rational - conscious process are established. This article is the fi rst one to make a major contribution - an index of forty-eight (48) entrances of bibliographical references - in the research area of work interpretation (Deutungsarbeit) within the scope of Freudian work, in three different languages: German, English and Spanish.