Columbia subject headings:
Mazza, Nicola, 1790-1865--Correspondence.
Missions--Africa.
Mitterrutzner, J. C. (Johannes Chrysostomus), 1818-1903--Correspondence.
Harvard subject headings:
Mazza, Nicola, 1790-1865--Correspondence.
Missionaries--Africa--Correspondence.
Missionaries--Italy--Correspondence.
Missions--Africa
Mitterrutzner, J. C. (Johannes Chrysostomus), 1818-1903--Correspondence.
Princeton subject headings: