Columbia subject headings:
Harvard subject headings:
Science--History--Periodicals
Science--Latin America--History--Periodicals.
Technology--History--Periodicals
Technology--Latin America--History--Periodicals.
Princeton subject headings:
Periodicals.
Science--History--Periodicals.
Science--Latin America--History--Periodicals.
Technology--History--Periodicals.
Technology--Latin America--History--Periodicals.