Schwartz, J. H. Darwinism versus Evo-Devo: A late-nineteenth century debate / Jeffrey H. Schwartz. Conference A Cultural History of Heredity III : 19th and early 20th centuries.(2005).

Schwartz, Jeffrey H. "Darwinism Versus Evo-Devo: A Late-nineteenth Century Debate / Jeffrey H. Schwartz." Conference A Cultural History of Heredity III : 19th and Early 20th Centuries.(2005) .

Schwartz, Jeffrey H. "Darwinism Versus Evo-Devo: A Late-nineteenth Century Debate / Jeffrey H. Schwartz." Conference A Cultural History of Heredity III : 19th and Early 20th Centuries.(2005), .