- Language of Experanto: Dramatis Impersonae in the Plays of Václav Havel2010 | Faculty of Arts
- Contribution to language experanto or Dramatical non-person Václav Havel2004 | Faculty of Arts
- The Language of Experanto. Dramatis Impersonae in the Plays of Václav Havel2014 | Faculty of Arts
- The Language of Experanto. Dramatis Impersonae in the Plays of Vaclav Havel2011 | Faculty of Arts