Columbia subject headings:
Hammarskjöld, Dag, 1905-1961--Drama.
Lumumba, Patrice, 1925-1961--Drama.
Harvard subject headings:
Congo (Democratic Republic)--Drama.
Hammarskjöld, Dag, 1905-1961--Drama.
Lumumba, Patrice, 1925-1961--Drama.
Murder--Drama
Political plays.
Prime ministers--Drama.
Statesmen--Drama.
Princeton subject headings:
Drama.
Hammarskjöld, Dag, 1905-1961--Drama.
Lumumba, Patrice, 1925-1961--Drama.