Columbia subject headings:
Great Britain--History--1789-1820.
Great Britain--Politics and government--1789-1820.
Perceval, Spencer, 1762-1812--Assassination.
Prime ministers--Assassination--Great Britain--History--19th century.
Harvard subject headings:
Great Britain--History--1789-1820.
Great Britain--Politics and government--1789-1820.
Perceval, Spencer, 1762-1812--Assassination.
Prime ministers--Assassination--Great Britain--History--19th century.
Princeton subject headings:
Great Britain--History--1789-1820.
Great Britain--Politics and government--1789-1820.
Perceval, Spencer, 1762-1812--Assassination.
Prime ministers--Assassination--Great Britain--History--19th century.