Columbia subject headings:
Belize--Boundaries--Guatemala.
Great Britain--Foreign relations--Guatemala.
Guatemala--Boundaries--Belize.
Guatemala--Foreign relations--Great Britain.
Harvard subject headings:
Belize--Boundaries--Guatemala.
Great Britain--Foreign relations--Guatemala.
Guatemala--Boundaries--Belize.
Guatemala--Foreign relations--Great Britain.
Princeton subject headings:
Belize--Boundaries--Guatemala.
Great Britain--Foreign relations--Guatemala.
Guatemala--Boundaries--Belize.
Guatemala--Foreign relations--Great Britain.