Sommer, M. How Cultural is Heritage?: Humanity's Black Sheep from Charles Darwin to Jack London / Marianne Sommer. Conference A Cultural History of Heredity III : 19th and early 20th centuries.(2005).

Sommer, Marianne. "How Cultural Is Heritage?: Humanity's Black Sheep from Charles Darwin to Jack London / Marianne Sommer." Conference A Cultural History of Heredity III : 19th and Early 20th Centuries.(2005) .

Sommer, Marianne. "How Cultural Is Heritage?: Humanity's Black Sheep from Charles Darwin to Jack London / Marianne Sommer." Conference A Cultural History of Heredity III : 19th and Early 20th Centuries.(2005), .