Columbia subject headings:
Mathematics--Periodicals.
Mathematics--Study and teaching--Periodicals.
Science--Periodicals.
Science--Study and teaching--Periodicals.
Harvard subject headings:
Mathematics--Periodicals
Mathematics--Study and teaching--Periodicals
Science--Periodicals
Science--Study and teaching--Periodicals
Princeton subject headings:
Mathematics--Periodicals.
Mathematics--Study and teaching--Periodicals.
Periodicals.