Columbia subject headings:
Missions--China--Archival resources--Pennsylvania.
Missions--China--Archival resources--United States.
Missions--China--Library resources--Pennsylvania.
Missions--China--Library resources--United States.
Harvard subject headings:
Archival resources--Pennsylvania.
Archival resources--United States.
China--Church history--Bibliography.
Library resources--Pennsylvania.
Library resources--United States.
Missions--China--Archival resources--United States.
Missions--China--Archival resources.
Missions--China--Bibliography.
Missions--China--History--Sources--Bibliography.
Missions--China--Library resources--United States.
Missions--China--Library resources.
Princeton subject headings:
Missions--China--Archival resources--Pennsylvania.
Missions--China--Archival resources--United States.
Missions--China--Library resources--Pennsylvania.
Missions--China--Library resources--United States.