Research interest
Political, legal history and ideology of the East-Central European communist regimes, structure and working of the party state in a comparatistical perspective. Border studies (role and importance of borders and border crossing). History of Czechoslovakia.
Former researches
2007–2009
Ernő Gerő and the Policy of the “Clear Sheet” in 1956
2006–2008
History of the Hungarian State from 1949 to 1989
2004–2006
Political Life of Hódmezővásárhely from 1944 to 1950
2002–
The Age of State Socialism (a database)
1997–2004
History of Hungarian Travel Documents from 1867 to 1990
1994–1997
Place-name Changes in “Europe-Between”
1992–1995
Atlas of “Europe-Between” (with Lajos Pándi, Nándor Bárdi etc.)