Columbia subject headings:
Bolivia--Foreign relations--Peru.
Ortiz de Zevallos y de Brazo, Ignacio, 1777-1843.
Peru--Foreign relations--Bolivia.
Harvard subject headings:
Bolivia--Foreign relations--Peru.
Ortiz de Zevallos y de Erazo, Ignacio, 1777-1843.
Peru--Foreign relations--Bolivia.
Peru--Foreign relations--Sources.
Princeton subject headings:
Bolivia--Foreign relations--Peru.
Peru--Foreign relations--Bolivia.
Peru--Foreign relations--Sources.