Columbia subject headings:
Harvard subject headings:
Bachmann, Traugott, 1865-1948.
Christianity and culture--History--20th century.
Evangelisch-Lutherische Mission (Leipziger Mission)--Tanzania.
Gutmann, Bruno.
Johanssen, E. (Ernst), 1864-1934.
Lutheran Church--Missions
Missionaries--Tanzania--Biography.
Missions, German--History--20th century.
Missions, German.
Missions--Tanzania
Missions--Tanzania--History--20th century.
Princeton subject headings:
Christianity and culture--History--20th century.
Missions, German--History--20th century.
Missions--Tanzania--History--20th century.