Columbia subject headings:
Japan--Description and travel.
Japan--Foreign relations--Germany--Prussia.
Prussia (Germany)--Foreign relations--Japan.
Prussians--Travel--Japan--History--19th century.
Harvard subject headings:
Japan--Description and travel--19th century.
Japan--Foreign relations--Germany--Prussia.
Prussia (Germany)--Foreign relations--Japan.
Prussians--Travel--Japan--History--19th century.
Princeton subject headings:
Japan--Description and travel--19th century.
Japan--Foreign relations--Germany--Prussia.
Prussia (Germany)--Foreign relations--Japan.
Prussians--Travel--Japan--History--19th century.