- Czechoslovak Policy and the First Restoration Attempt of Charles Habsburg in Hungary in the Spring 19212007 | Publication without faculty affiliation
- Result of Károly Habsbursg's First Hungarian Restoration Attempts in the Autumn of 1921 - the Czechoslovak-Romanian Treaty of Alliance2008 | Central Library of Charles University
- Conclusion of the Czechoslovak-Romanian Little Entente Treaty of Alliance in Spring 19212008 | Publication without faculty affiliation
- Adoption of the Act No. 1921 : XLVII on the Extinction of the Ruler Rights of Charles IV and Succession to the Throne of the House of Habsburg in Hungary by National Assembly in November 19212011 | Publication without faculty affiliation