Columbia subject headings:
Internment camps--Political aspects--Congresses.
Nazi concentration camps--Political aspects--Congresses.
Political science--Philosophy--Congresses.
Space--Political aspects--Congresses.
Harvard subject headings:
Biopolitics--Congresses.
Concentration camps--Congresses.
Political science--Philosophy--Congresses
Princeton subject headings:
Nazi concentration camps--Political aspects--Congresses.
Political science--Philosophy--Congresses.
Space--Political aspects--Congresses.