Jürgens, Zuzana. “„Drahý Rudo, Milý Chrudoši, Carissime Rodolfo!“ (Briefwechsel В. Fučík – R. Černý, 1930–1979)”. Wiener Slawistischer Almanach, vol. 55, Jan. 2006, pp. 319–326, https://doi.org/10.5282/1gk35b37.