Columbia subject headings:
Great Britain--History--1714-1837--Sources.
Great Britain--History--Stuarts, 1603-1714--Sources.
Pitt, William, 1759-1806.
Harvard subject headings:
Great Britain--History--1714-1837--Sources.
Great Britain--History--Stuarts, 1603-1714--Sources.
Pitt, William, 1759-1806.
Princeton subject headings:
Great Britain--History--1714-1837--Sources.
Great Britain--History--Stuarts, 1603-1714--Sources.
Pitt, William, 1759-1806.