Columbia subject headings:
Harvard subject headings:
Spain--Relations--Thailand.
Spaniards--Thailand--History.
Thailand--History--1782-1945.
Thailand--History--To 1782.
Thailand--Relations--Spain.
Princeton subject headings:
Spain--Relations--Thailand.
Spaniards--Thailand--History.
Thailand--History--1782-1945.
Thailand--History--To 1782.
Thailand--Relations--Spain.