Columbia subject headings:
Black people--Segregation--Great Britain--History--20th century.
Foreign workers, West Indian--Great Britain--History--20th century.
Great Britain--Race relations--History--20th century.
Harvard subject headings:
Black people--Great Britain--Segregation--History--20th century.
Black people--Segregation--Great Britain--History--20th century.
Foreign workers, West Indian--Great Britain--History--20th century.
Great Britain--Race relations--History--20th century.
Princeton subject headings:
Black people--Great Britain--Segregation--History--20th century.
Foreign workers, West Indian--Great Britain--History--20th century.
Great Britain--Race relations--History--20th century.