Columbia subject headings:
Great Britain--Emigration and immigration--History--20th century.
Great Britain--History--20th century.
Immigrants--Cultural assimilation--Great Britain--History--20th century.
Immigrants--Great Britain--History--20th century.
Harvard subject headings:
Great Britain--Emigration and immigration--History--20th century.
Great Britain--History--20th century.
Immigrants--Cultural assimilation--Great Britain--History--20th century.
Immigrants--Great Britain--History--20th century.
Princeton subject headings:
Great Britain--Emigration and immigration--History--20th century.
Great Britain--Social conditions--20th century.
Immigrants--Cultural assimilation--Great Britain--History--20th century.
Immigrants--Great Britain--History--20th century.