Columbia subject headings:
Intellectual cooperation.
Peru--Civilization--Periodicals.
Peru--Relations--United States--Periodicals.
United States--Relations--Peru--Periodicals.
Harvard subject headings:
Peru--Civilization--Periodicals.
Peru--Relations--United States--Periodicals.
United States--Relations--Peru--Periodicals.
Princeton subject headings:
Periodicals.
Peru--Civilization--Periodicals.
Peru--Relations (general) with the United States--Periodicals.
United States--Relations (general) with Peru--Periodicals.