Title: Invisible power
Subjects: British Espionage, Foreign relations, History, Relations with spies, Secret service, Diplomatic relations, Great britain, history, elizabeth, 1558-1603, Secret service, great britain, Secret service--history, Secret service--england--history--16th century, Espionage, british--history, Espionage, british--history--16th century, Da356 .h39 1992, 363.2/83/094209031
Places: England, Great Britain
People: Elizabeth I Queen of England (1533-1603)
Time periods: 1558-1603, 16th century, Elizabeth, 1558-1603