(Title in Polish - 'American Ethnicity: Rethinking Old Issues Asking New Questions - trzecia edycja warsztatów naukowych na Uniwersytecie Jagiellonskim 19-20 maja 2008'). The opportunity to discuss the issue of American ethnicity came with the workshops organized at the Institute of American Studies and Polish Diaspora at the Jagiellonian University, Kraków under the title: American Ethnicity: Rethinking Old Issues, Asking New Questions. Initiated and organized by Prof. Dorota Praszalowicz from the Institute for the third time, this year's workshops were co-organized by the US General Consulate, the Alumni Association in Poland and the Immigration and Ethnic History Society from the US. The workshop has attracted a number of scholars from Austria, Mexico, Germany, Poland and US. American guests were the most numerous group