Randers-Pehrson, J. D. (2000). Adolf Douai, 1819-1888: The turbulent life of a German Forty-Eighter in the homeland and in the United States. Peter Lang.

Randers-Pehrson, Justine Davis. Adolf Douai, 1819-1888: The Turbulent Life of a German Forty-Eighter in the Homeland and in the United States. New York: Peter Lang, 2000.

Randers-Pehrson, Justine Davis. Adolf Douai, 1819-1888: The Turbulent Life of a German Forty-Eighter in the Homeland and in the United States. Peter Lang, 2000.