Station Karibib s. RMG 2.505 a-c; 2 documents for the sale of small-bars, 1902; Documents to d. Ownership and donation of Mrs. Amalie Hälbich in Karibib, 1903-1908;
Rhenish Missionary SocietyMinutes of the Annual Meetings; Annual Accounts, Correspondence with Rosary and Genius; Statutes of the DGfM, Dr., 1918 1960; C. Mirbt: German Society for Missiology, 7 p., Dr., 1918; The catechumenate in the RMG churches in; Southwest Africa by F. Pönnighaus, Karibib, 1951; New Guinea until 1930, N.N.; China, W. Grundmann, 1951; Sumatra, H. Berghäuser; Mentawai Islands, R. Smidt, 1951; Rosary: German Society for Missionary Science, 8 p., Dr., 1957; list of members, as of 1957
Rhenish Missionary Society1906-1953 in Okombahe, Otjimbingue, Karibib, Grootfontein, Walvis Bay; letters and reports, 1906-1956; curriculum vitae (2 versions), testimonies, letters, 1899-1906; letters of friends (hectographed); obituary for Karl Schmitz, 1957; correspondence with family Schmitz, 1960-1965;
Rhenish Missionary Society1907-1920 in Karibib, Okahandja, from 1924 parish office in USA among others in Renville, Min.; curriculum vitae, application, certificates, 1898-1901; letters and reports from Karibib and Okahandja, 1907-1921; testimony and recommendation, 1923; letters from North America, 1924-1959; correspondence with Mrs. Marta Siekmann, née Garbers u. d. Söhnen Gene u. John, 1950-1963;
Rhenish Missionary Society