Columbia subject headings:
Harvard subject headings:
China--Foreign relations--1644-1912
China--Foreign relations--Europe.
Diplomats--China--Diaries.
Europe--Description and travel.
Europe--Foreign relations--1871-1918.
Europe--Foreign relations--China.
Voyages and travels
Zhang, Deyi, 1847-1918--Journeys.
Princeton subject headings:
Voyages and travels.
Zhang, Deyi, 1847-1918--Journeys.