Columbia subject headings:
Evangelische Missionsgesellschaft in Basel.
Missionaries--China--Biography.
Missions--China--History--20th century.
Schmoll, Friedrich, 1873-1968.
Harvard subject headings:
Missionaries--China--Biography
Missionaries--Germany--Biography
Missions--China--History--20th century.
Schmoll, Friedrich, 1873-1968.
Princeton subject headings: