Sigmund Freud Quotes about Unity
Sigmund Freud, James Strachey, Anna Freud, Carrie Lee Rothgeb (1961). “The Standard Edition of the Complete Psychological Works of Sigmund Freud”
Sigmund Freud, James Strachey (2001). “Totem and Taboo: Some Points of Agreement Between the Mental Lives of Savages and Neurotics”, p.111, Psychology Press