Quotes from book
The Ego and the Id

Name: The Ego and the Id
Author: Sigmund Freud

Sigmund Freud Original title Das Ich und das Es (German, 1923)

The Ego and the Id is a prominent paper by Sigmund Freud, the founder of psychoanalysis. It is an analytical study of the human psyche outlining his theories of the psychodynamics of the id, ego and super-ego, which is of fundamental importance in the development of psychoanalysis. The study was conducted over years of research and was first published in the third week of April 1923.

“Where id is, there shall ego be.”

Sigmund Freud book The Ego and the Id

The Anatomy of the Mental Personality (Lecture 31)
1930s, "New Introductory Lectures on Psycho-analysis" https://books.google.com/books/about/New_Introductory_Lectures_on_Psycho_anal.html?id=hIqaep1qKRYC&printsec=frontcover&source=kp_read_button#v=onepage&q&f=false (1933)
Source: The Ego and the Id