Columbia subject headings:
Ethnicity--Ukraine--Odesa--History.
Socialism--Ukraine--Odesa--History.
Working class--Political activity--Ukraine--Odesa--History.
Harvard subject headings:
Ethnicity--Ukraine--Odesa--History.
Socialism--Ukraine--Odesa--History.
Working class--Ukraine--Odesa--Political activity--History.
Princeton subject headings:
Jews--Employment--Ukraine--Odessa.
Labor unions--Ukraine--Odessa.
Working class--Ukraine--Odessa.