Di Palma, F. German and Italian Democratic Socialists in Exile: Interpretations of Fascism and Transnational Aspects of Resistance in the Sopade and Guistiza e Liberta. Fascism without borders : transnational connections and cooperation between movements and regimes in Europe from 1918 to 1945.

Di Palma, Francesco. "German and Italian Democratic Socialists in Exile: Interpretations of Fascism and Transnational Aspects of Resistance in the Sopade and Guistiza E Liberta." Fascism Without Borders : Transnational Connections and Cooperation Between Movements and Regimes in Europe from 1918 to 1945 .

Di Palma, Francesco. "German and Italian Democratic Socialists in Exile: Interpretations of Fascism and Transnational Aspects of Resistance in the Sopade and Guistiza E Liberta." Fascism Without Borders : Transnational Connections and Cooperation Between Movements and Regimes in Europe from 1918 to 1945, .