Columbia subject headings:
Commonwealth countries--Armed Forces.
Commonwealth countries--History, Military--20th century.
Great Britain--Armed Forces--History--20th century.
Great Britain--History, Military--20th century.
Harvard subject headings:
Commonwealth countries--Armed Forces.
Commonwealth countries--History, Military--20th century.
Great Britain--Armed Forces--History--20th century.
Great Britain--History, Military--20th century.
Princeton subject headings:
Commonwealth countries--Armed Forces.
Commonwealth countries--History, Military--20th century--20th century.
Great Britain--Armed forces--History--20th century.
Great Britain--History, Military--20th century.