Columbia subject headings:
Catholic Church--Missions.
Lavigerie, Charles Martial Allemand, 1825-1892.
Missions--Africa, Central.
Slave trade--Africa.
Harvard subject headings:
Catholic Church--Missions.
Lavigerie, Charles Martial Allemand, 1825-1892.
Missions--Africa, Central
Slave trade--Africa
Princeton subject headings:
Catholic Church--Missions.
Lavigerie, Cardinal, 1825-1892
Missions--Africa, Central.
Slave trade--Africa.