Columbia subject headings:
Harvard subject headings:
Europe--Description and travel.
Japan--Description and travel
Li, Gui, 1842-1903--Journeys--United States.
Li, Shuchang, 1837-1897--Journeys--Europe.
United States--Description and travel.
Voyages and travels
Wang, Tao, 1828-1897--Journeys--Europe.
Wang, Tao, 1828-1897--Journeys--Japan.
Xu, Jianyin, 1845-1901--Journeys--Europe.
Princeton subject headings:
Voyages and travels.