Columbia subject headings:
Harvard subject headings:
International business enterprises--Latin America--History.
International business enterprises--Peru--History.
Latin America--Foreign economic relations--United States.
United States--Foreign economic relations--Latin America.
W.R. Grace & Co.--History.
Princeton subject headings:
International business enterprises--Latin America--History.
International business enterprises--Peru--History.
Latin America--Foreign economic relations--United States.
United States--Foreign economic relations--Latin America.
W.R. Grace & Co.--History.