Columbia subject headings:
Northern Ireland--Politics and government.
Northern Ireland--Social conditions.
Politics and culture--Northern Ireland.
Unionism (Irish politics)
Harvard subject headings:
Northern Ireland--Politics and government--20th century.
Northern Ireland--Social conditions.
Politics and culture--Northern Ireland.
Unionism (Irish politics)
Princeton subject headings:
Northern Ireland--Politics and government--20th century.
Northern Ireland--Social conditions--20th century.
Northern Ireland--Social conditions.
Politics and culture--Northern Ireland.
Unionism (Irish politics)