Columbia subject headings:
Associations, institutions, etc.--Uzbekistan--Khorazm oblasti--History.
Khorazm oblasti (Uzbekistan)--Politics and government.
Working class--Uzbekistan--Khorazm oblasti--History.
Harvard subject headings:
Associations, institutions, etc.--Uzbekistan--Khorazm oblasti--History--20th century.
Khorazm oblasti (Uzbekistan)--Politics and government.
Labor--Uzbekistan--Khorazm oblasti--History--20th century.
Working class--Uzbekistan--Khorazm oblasti--History--20th century.
Princeton subject headings:
Associations, institutions, etc.--Uzbekistan--Khorezmskai︠a︡ oblastʹ--History--20th century.
Khorazm oblasti (Uzbekistan)--Politics and government.
Labor--Uzbekistan--Khorezmskai︠a︡ oblastʹ--History--20th century.