«Godesberg Program of the SPD (November 1959)»(PDF) (em inglês). German History in Documents and Imagens. Consultado em 29 de novembro 2013 Source reprinted in Jan Goldstein and John W. Boyer, eds, University of Chicago, Readings in Western Civilization, vol. 9 Chicago, London: University of Chicago Press, 1987, pp. 419-25.
