Columbia subject headings:
Entertainers--Great Britain.
Irish Travellers (Nomadic people)--Ireland--Social life and customs.
Marginality, Social--Great Britain.
Marginality, Social--Ireland.
Romanies--Great Britain--Social life and customs.
Harvard subject headings:
Entertainers--Ireland--History.
Irish Travellers (Nomadic people)--Ireland--History.
Princeton subject headings: