Columbia subject headings:
Languages, Modern--Study and teaching--Abstracts--Periodicals.
Linguistics--Abstracts--Periodicals.
Harvard subject headings:
Languages, Modern--Study and teaching--Abstracts--Periodicals.
Linguistics--Abstracts--Periodicals.
Princeton subject headings:
Abstracts.
Languages, Modern--Study and teaching--Abstracts--Periodicals.
Linguistics--Abstracts--Periodicals.
Periodicals.