Columbia subject headings:
Energy policy--Sweden.
National security--Sweden.
Petroleum industry and trade--Government policy--Sweden.
Sweden--Foreign relations--1950-
Harvard subject headings:
Energy policy--Sweden
National security--Sweden
Petroleum industry and trade--Government policy--Sweden.
Sweden--Foreign relations--1950-
Princeton subject headings:
Energy policy--Sweden.
National security--Sweden.
Petroleum industry and trade--Government policy--Sweden.
Sweden--Foreign relations--1950-