Columbia subject headings:
Bolivia--Foreign relations--Peru.
Ferreyros y de la Mata, Manuel, 1793-1872.
Olañeta, Casimiro, 1796-1860.
Peru--Foreign relations--Bolivia.
Harvard subject headings:
Bolivia--Foreign relations--Peru.
Peru--Foreign relations--Bolivia.
Princeton subject headings:
Bolivia--Foreign relations--Peru--History--Sources.
Peru--Foreign relations--Bolivia--History--Sources.