Columbia subject headings:
Costa Rica--Foreign relations--1821-1948--Sources.
Costa Rica. Cancillería--Archives.
Diplomatic and consular service, Costa Rican--History--19th century--Sources.
Harvard subject headings:
Costa Rica--Foreign relations--1821-1948--Sources.
Costa Rica. Cancillería--Archives.
Diplomatic and consular service, Costa Rican--History--19th century--Sources.
Princeton subject headings:
Costa Rica--Foreign relations--1821-1948--Sources.
Costa Rica. Cancillería--Archives.
Diplomatic and consular service, Costa Rican--History--19th century--Sources.