Columbia subject headings:
Artists' studios--Belgium--History.
Artists' studios--Netherlands--History.
Journey workers--Belgium--Social conditions.
Journey workers--Netherlands--Social conditions.
Painters--Belgium--Social conditions.
Painters--Netherlands--Social conditions.
Harvard subject headings:
Artists' studios--Belgium--History.
Artists' studios--Netherlands--History.
Journey workers--Belgium--Social conditions.
Journey workers--Netherlands--Social conditions.
Painters--Belgium--Social conditions.
Painters--Netherlands--Social conditions.
Princeton subject headings:
Artists' studios--Belgium--History.
Artists' studios--Netherlands--History.
Journey workers--Belgium--Social conditions--History.
Journey workers--Netherlands--Social conditions--History.
Painters--Belgium--Social conditions--History.
Painters--Netherlands--Social conditions--History.