Columbia subject headings:
Histadrut he-Ḥaluts be-Polin--History.
Jews--Poland--History--20th century.
Labor Zionism--Poland--History.
Poland--Ethnic relations.
Harvard subject headings:
Histadrut he-Ḥaluts be-Polin.
Zionism--Poland--History.
Princeton subject headings:
Histadrut he-Ḥaluts be-Polin.
Zionism--Poland--History.