Columbia subject headings:
Harvard subject headings:
Americans--Japan--Hokkaido.
Hokkaid (Japan)--Relations--United States.
Japan--Civilization--American influences.
United States--Relations--Japan--Hokkaido.
Princeton subject headings:
Americans--Employment--Japan--History--19th century.
Americans--Japan--Hokkaido--Biography.
Japan--Civilization--Western influences.
Japan--History--Meiji period, 1868-1912.