Columbia subject headings:
Philippines--Foreign relations--Malaysia--Sabah.
Sabah (Malaysia)--Foreign relations--Philippines.
Sabah (Malaysia)--International status.
Harvard subject headings:
Philippines--Foreign relations--Malaysia--Sabah.
Philippines--Foreign relations--Sabah.
Sabah (Malaysia)--Foreign relations--Philippines.
Sabah (Malaysia)--International status.
Sabah--Foreign relations--Philippines.
Sabah--International status.
Princeton subject headings:
Philippines--Foreign relations--Malaysia--Sabah.
Sabah--Foreign relations--Philippines.
Sabah--International status.