Columbia subject headings:
Harvard subject headings:
Criminals--Czech Republic--Sudetenland--Biography.
Czechoslovakia. Státní bezpečnost.
Germany (East). Ministerium für Staatssicherheit.
Intelligence service.
Mühlfeit, Eugen.
Prisoners--Czech Republic--Biography.
United States. Central Intelligence Agency
Princeton subject headings:
Criminals--Czech Republic--Sudetenland--Biography.
Czechoslovakia. Státní bezpečnost
Germany (East). Ministerium für Staatssicherheit
Intelligence service.
Prisoners--Czech Republic--Biography.
United States. Central Intelligence Agency