Columbia subject headings:
Evangeliumsgemeinschaft Mittlerer Osten--History--20th century.
Kumm, Karl.
Missions--Sudan (Region)--History--20th century.
Sudan United Mission--History--20th century.
Harvard subject headings:
Evangeliumsgemeinschaft Mittlerer Osten--History--20th century.
Kumm, Karl, 1874-1930
Missions--Sudan (Region)--History--20th century.
Sudan United Mission--History--20th century.
Princeton subject headings: