Columbia subject headings:
Harvard subject headings:
Europe--Ethnic relations--History.
Persecution--Europe--History.
Romani Genocide, 1939-1945
Romanies in popular culture.
Romanies--Europe--History
Romanies--Europe--History--19th century.
Romanies--Europe--History--20th century.
Romanies--Europe--Social life and customs--19th century.
Romanies--Europe--Social life and customs--20th century.
Princeton subject headings:
Romanies--Europe--History.
Romanies--Public opinion.