Columbia subject headings:
Cairo (Egypt)--History--Sources.
Missionaries--Egypt--Cairo--Biography.
Missions, German--Egypt--Cairo--History.
Moravian Church--Missions--Egypt--Cairo.
Moravians--Egypt--Cairo--Biography.
Harvard subject headings:
Cairo (Egypt)--History--Sources.
Missionaries--Egypt--Cairo--Biography.
Missions, German--Egypt--Cairo--History.
Moravian Church--Missions--Egypt--Cairo.
Moravians--Egypt--Cairo--Biography.
Princeton subject headings:
Cairo (Egypt)--History--Sources.
Missionaries--Egypt--Cairo--Biography.
Missions, German--Egypt--Cairo--History.
Moravian Church--Missions--Egypt--Cairo.
Moravians--Egypt--Cairo--Biography.