Columbia subject headings:
Governmental investigations--Great Britain--History--19th century.
Governmental investigations--Great Britain--History--20th century.
Great Britain--Officials and employees--Directories.
Harvard subject headings:
Governmental investigations--Great Britain--History--19th century.
Governmental investigations--Great Britain--History--20th century.
Great Britain--Officials and employees--Directories.
Princeton subject headings:
Governmental investigations--Great Britain--History--19th century.
Governmental investigations--Great Britain--History--20th century.
Great Britain--Officials and employees--Directories.