Columbia subject headings:
Jews--Europe, Eastern--Social conditions.
Lullabies--History and criticism.
Songs, Yiddish--History and criticism.
Harvard subject headings:
Jews--Europe, Eastern--Social conditions.
Lullabies--History and criticism.
Songs, Yiddish--History and criticism.
Princeton subject headings:
Jews--Europe--Social conditions.
Lullabies--History and criticism.
Songs, Yiddish--History and criticism.