Columbia subject headings:
Naturalization--Netherlands.
Netherlands--Emigration and immigration--Biography.
Statesmen--Netherlands--Biography.
Harvard subject headings:
Naturalization--Netherlands.
Netherlands--Emigration and immigration--Biography.
Statesmen--Netherlands--Biography.
Princeton subject headings:
Naturalization--Netherlands.
Netherlands--Emigration and immigration--Biography.
Statesmen--Netherlands--Biography.