Columbia subject headings:
Harvard subject headings:
Espionage, Soviet--United States.
Feklisov, Aleksandr, 1914-2007.
Intelligence officers--Soviet Union--Biography.
Soviet Union. Komitet gosudarstvennoĭ bezopasnosti--Biography.
Princeton subject headings:
Espionage, Soviet--United States.
Feklisov, Aleksandr, 1914-2007.
Intelligence officers--Soviet Union--Biography.
Soviet Union. Komitet gosudarstvennoĭ bezopasnosti--Biography.