Columbia subject headings:
Elizabeth I, Queen of England, 1533-1603--Assassination attempts.
Great Britain--Foreign relations--1558-1603.
Great Britain--History--Elizabeth, 1558-1603.
Lopez, Roderigo, 1525-1594.
Physicians--England--Biography.
Harvard subject headings:
Elizabeth I, Queen of England, 1533-1603--Assassination attempts.
Espionage, Spanish--Great Britain--History--16th century.
Executions and executioners--Great Britain--History--16th century.
Great Britain--Foreign relations--1558-1603.
Great Britain--Foreign relations--Spain.
Great Britain--History--Elizabeth, 1558-1603--Biography.
Jews--Great Britain--Biography.
Lopez, Roderigo, 1525-1594.
Physicians--Great Britain--Biography
Shakespeare, William, 1564-1616. Merchant of Venice.
Spain--Foreign relations--Great Britain
Princeton subject headings:
Great Britain--Foreign relations--1558-1603.
Great Britain--History--Elizabeth, 1558-1603.
Lopez, Roderigo.
Physicians--England--Biography.