- The Approach of Tito's Regime to Kosovo in the Late 1950s +12011 | Faculty of Arts
- History of mathematics XX2000 | Faculty of Mathematics and Physics
- Printing of Polish Banknotes in Czechoslovakia in the Middle of the Twentieth Century2010 | Faculty of Arts
- Title XX. Special working conditions of some employees2010 | Faculty of Law
- xx2010 | Publication without faculty affiliation
- "Biblioteka XX vek, c'est moi"2021 | Faculty of Social Sciences
- The Elements for Social History of Kosovo and Metohia in 1960s and 1970s2011 | Faculty of Arts
- XX. symposium on Clinical Pharmacy René Mach2018 | Faculty of Pharmacy in Hradec Králové
- Isidor of Sevilla, Etymologies XIX-XX2009 | Faculty of Arts
- Meeting: XX FECTS meeting 1.-5.7.2006 Oulu, Finland2007 | First Faculty of Medicine
- Jevtimijević Vojislav, Historic Development in the Northern Kosovo with the Special Focus on the Area of Banjske2011 | Faculty of Arts
- ADRIENA ŠIMOTOVÁ and JIŘÍ JOHN conference and their place in the context of fine art and culture of the XX. century and the presentPublication without faculty affiliation
- Arterial hypertension - current clinical trends XX2022 | First Faculty of Medicine
- The BVRI Light Curves and Period Analysis of the Beta Lyrae System XX Leonis2007 | Faculty of Mathematics and Physics
- Edukační materiál k IV. ročníku festivalu filmů o XX. století Nezlomní a obětovaníPublication without faculty affiliation
- Kapitola XX. Přípravné řízení2007 | Faculty of Law
- Czech literature of the 20th century2003 | Faculty of Arts
- Two Wievs on the XXth Century history1999 | Faculty of Arts
- 20th Gastroenterology and Hepatology days and 10th International endoscopic workshopPublication without faculty affiliation
- On Czechoslovak Arms Exports in the Interwar PeriodPublication without faculty affiliation
- Foreign payment operation2006 | Central Library of Charles University
- The 20th update, November, 20112011 | First Faculty of Medicine
- Ochranná opatření. Kap. XX. a přílohy1995 | Faculty of Law
- Foreign payment operation2003 | Faculty of Law
- Chapter XX. Trial held in public and in private2006 | Faculty of Law, Faculty of Mathematics and Physics
- The Czech freemasons in 20th century2002 | Faculty of Arts
- Neoplatonism and 20th Century French Thought2009 | Faculty of Science
- Report XX. World Congress of Labour Law and Social Security, held in September 2012 in Santiago de Chile2013 | Faculty of Law
- The Greek Emigres in Czechoslovakia and Their Life in the 1960s2019 | Faculty of Arts