Columbia subject headings:
Fisheries--Guatemala.
Guatemala--Fisheries.
Guatemala--Foreign relations--Mexico.
Mexico--Foreign relations--Guatemala.
Territorial waters--Guatemala.
Harvard subject headings:
Fisheries--Guatemala.
Guatemala--Foreign relations--Mexico.
Mexico--Foreign relations--Guatemala.
Territorial waters--Guatemala.
Princeton subject headings:
Fisheries--Guatemala.
Guatemala--Foreign relations--Mexico.
Mexico--Foreign relations--Guatemala.
Territorial waters--Guatemala.