Columbia subject headings:
Harvard subject headings:
Foreign workers, Indochinese--France--Lorraine--Social conditions--20th century.
France--Colonies--Asia
Indochina--Emigration and immigration--History--20th century.
Indochinese--France--Lorraine--Social conditions--20th century.
Lorraine (France)--Emigration and immigration--History--20th century.
Princeton subject headings:
Foreign workers, Indochinese--France--Lorraine--Social conditions--20th century.
France--Colonies--Asia.
Indochina--Emigration and immigration--History--20th century.
Indochinese--France--Lorraine--Social conditions--20th century.
Lorraine (France)--Emigration and immigration--History--20th century.