Columbia subject headings:
Harvard subject headings:
Missions, Canadian--China--Guangdong Sheng--History--20th century.
Missions, Canadian--China--Sichuan Sheng--History--20th century.
Missions, Medical--China--Guangdong Sheng--History--20th century.
Missions, Medical--China--Sichuan Sheng--History--20th century.
Protestant churches--Missions--China--Guangdong Sheng--History--20th century.
Protestant churches--Missions--China--Sichuan Sheng--History--20th century.
Princeton subject headings:
Missions, Canadian--China--Kwangtung Province--History--20th century.
Missions, Canadian--China--Szechwan Province--History--20th century.
Missions, Medical--China--Kwangtung Province--History--20th century.
Missions, Medical--China--Szechwan Province--History--20th century.
Protestant churches--Missions--China--Kwangtung Province--History--20th century.
Protestant churches--Missions--China--Szechwan Province--History--20th century.