Columbia subject headings:
Conglomerate corporations--Germany.
Conglomerate corporations--Greece.
Political corruption--Greece.
Siemens Aktiengesellschaft--Corrupt practices.
Harvard subject headings:
Corruption--Greece.
Electric industries--Corrupt practices--Germany.
Electric industries--Corrupt practices--Greece.
Political corruption--Greece
Siemens Aktiengesellschaft--Corrupt practices--History.
Princeton subject headings:
Conglomerate corporations--Corrupt practices--Germany.
Conglomerate corporations--Greece.
Political corruption--Greece.
Siemens Aktiengesellschaft--Corrupt practices.