^McMeekin, Sean, The Red Millionaire: A Political Biography of Willi Münzenberg, Moscow's Secret Propaganda Tsar in the West, 1917-1940, New Haven, CT: Yale University Press (2004), pp. 105-115, 128
^Branko Lazitch and Milorad M. Drachkovitch, Biographical Dictionary of the Comintern: New, Revised, and Expanded Edition. Stanford, CA: Hoover Institution Press, 1986; pg. xxix.
进一步阅读
Vance Kepley, Jr., "The Workers' International Relief and the Cinema of the Left 1921-1935," Cinema Journal, vol. 23, no. 1 (Autumn 1983), pp. 7-23. In JSTOR(页面存档备份,存于互联网档案馆)