Levy, G. R. (1948). The gate of horn: A study of the religious conceptions of the stone age, and their influence upon European thought. Faber and Faber Ltd.

Levy, Gertrude Rachel. The Gate of Horn: A Study of the Religious Conceptions of the Stone Age, and Their Influence upon European Thought. London: Faber and Faber Ltd, 1948.

Levy, Gertrude Rachel. The Gate of Horn: A Study of the Religious Conceptions of the Stone Age, and Their Influence upon European Thought. Faber and Faber Ltd, 1948.