Columbia subject headings:
Great Britain--Colonies--History.
Thornton, A. P. (Archibald Paton)
Harvard subject headings:
Great Britain--Colonies--History.
Great Britain--Foreign relations--1837-1901.
Great Britain--Foreign relations--20th century.
Thornton, A. P. (Archibald Paton)
Thornton, Archibald P., 1921-
Princeton subject headings:
Great Britain--Colonies--History.
Thornton, A. P. (Archibald Paton)