Columbia subject headings:
Africa--Discovery and exploration--Italian.
Catholic Church--Missions--Africa.
Missionaries--Africa--Biography.
Missionaries--Italy--Biography.
Missions, Italian--Africa.
Harvard subject headings:
Catholic Church--Missions--Sudan--History--19th century.
Missions, Italian--Sudan--History--19th century.
Nile River Valley--Description and travel.
Nile River Valley--Discovery and exploration--Italian.
Sudan--Church history--19th century.
Sudan--Description and travel.
Sudan--Discovery and exploration--Italian.
Princeton subject headings:
Italians--Sudan--Diaries.
Missionaries--Sudan--Diaries.
Sudan--Description and travel.