Der Mensch als Abbild des Kosmos / Marian Kurdzialek. - Kurdziałek, Marian. (OLS)http://pul/name/63853 (W. de Gruyter, 1971)
IAR: CCI.218

The Cambridge companion to Rousseau's Social contract / edited by David Lay William, Depaul University, Chicago, Matthew W. Maguire, University of Pennsylvania .
Bibliografia in nota a piè pagina.