Columbia subject headings:
Science--Information services--Periodicals.
Technology--Information services--Periodicals.
UNISIST (Program)--Periodicals.
Harvard subject headings:
Science--Information services--Periodicals
Technology--Information services--Periodicals.
UNISIST (Program)--Periodicals.
Princeton subject headings:
Periodicals.
Science--Information services--Periodicals.
Technology--Information services--Periodicals.
UNISIST (Program)--Periodicals.