Columbia subject headings:
Espionage--History--20th century.
Persian Gulf War, 1991--Secret service.
World War, 1939-1945--Secret service.
Harvard subject headings:
Iraq--Relations--United States.
Iraq-Kuwait Crisis, 1990-1991
Kuwait--Relations--United States.
Persian Gulf War, 1991
United States--Relations--Iraq.
United States--Relations--Kuwait.
Princeton subject headings:
Espionage--20th century.
Persian Gulf War, 1991--Secret service.
World War, 1939-1945--Secret service.