Image:Structural-Model1.png

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[edit] Summary

http://www.freud.org.uk/about2.html

[edit] Licensing

Freud's diagrams from 'The Ego and the Id' (1923)

The two-dimensional work of art depicted in this image is in the public domain in the United States, either because it was first published in 1922 or earlier, or for the reason described either above or below this message. Under American copyright law, originality of expression is necessary for copyright protection, and a mere photograph of an out-of-copyright work may not be protected under American copyright law.
Note: Unless the creator died more than 70 years ago, the work of art is not public domain worldwide. It is still, however, usable on the English Wikipedia, because the servers it uses are located in the United States. This information (Creator, death date, etc) should always be listed if known. This image should not be transferred to Wikimedia Commons unless it can be verified to be in the public domain in its country of first publication.