Columbia subject headings:
China--Church history--18th century--Sources.
China--Church history--19th century--Sources.
Christianity--China--History--18th century--Sources.
Christianity--China--History--19th century--Sources.
Missions, French--China--History--18th century--Sources.
Missions, French--China--History--19th century--Sources.
Harvard subject headings:
Missionaries--China--Correspondence
Missions--China--History--18th century.
Missions--China--History--19th century.
Princeton subject headings:
Missionaries--China--Correspondence.
Missions--China--History--18th century.
Missions--China--History--19th century.