- German minority in Poland after 1989
- Ethnic minorities in Poland, especially Romani people and Tatars
- National minorities in Germany: especially Sinti and Romani people
- Upper Silesia and „Silesianess” in the 20th and 21th century
- German-Polish relationships since 1945
- Contacts between East German, Polish and Czechoslovak citizens in the 1970s
See complete list of Paweł Popieliński publications [PDF file].
Curriculum Vitae [PDF file]