Ethnic groups in Europe

Jeffrey Cole, Ethnic Groups of Europe: An Encyclopedia 2011 p.235 James Minahan, Encyclopedia of the Stateless Nations: Ethnic and National Groups Around the

Piotr Eberhardt. Ethnic Groups and Population Changes in Twentieth-century Central-Eastern Europe: History, Data, and Analysis. M.E.

（原始内容存档于2008-03-10）.  Migrants in Europe - Survey: Norway. [2013-12-11]. （原始内容存档于2011-07-24）.  Ethnic Origin (264), Single and Multiple Ethnic Origin Responses (3)

Piotr Eberhardt. Ethnic Groups and Population Changes in Twentieth-century Central-Eastern Europe: History, Data, and Analysis. M.E.

Arno Tanner. The forgotten minorities of Eastern Europe: the history and today of selected ethnic groups in five countries. East-West Books, 2004 ISBN 978-952-91-6808-8