Columbia subject headings:
Harvard subject headings:
Diplomats--Netherlands--Biography.
Graeff van Polsbroek, Dirk, 1833-1916--Diaries.
Japan--Relations--Netherlands--19th century.
Netherlands--Relations--Japan--19th century.
Princeton subject headings:
Diplomats--Netherlands--Biography.
Graeff van Polsbroek, Dirk, 1833-1916--Diaries.
Japan--Relations--Netherlands--19th century.
Netherlands--Relations--Japan--19th century.