Columbia subject headings:
Netherlands--Economic conditions.
Netherlands--Emigration and immigration--History--17th century.
Netherlands--Social conditions.
Working class--Netherlands--History--17th century.
Harvard subject headings:
Netherlands--Economic conditions.
Netherlands--Emigration and immigration--History--17th century.
Netherlands--Social conditions.
Working class--Netherlands--History--17th century.
Princeton subject headings:
Immigrants--Netherlands--History--17th century.
Netherlands--Economic conditions.
Netherlands--Social conditions.
Working class--Netherlands--History--17th century.