Columbia subject headings:
Yiddish language--Congresses.
Yiddish language--History--Congresses.
Harvard subject headings:
Yiddish language--Congresses.
Yiddish language--History--Congresses.
Yiddish language--Social aspects.
Yiddish literature--Congresses.
Yiddish literature--Social aspects.
Princeton subject headings:
Yiddish language--Congresses.