1864-1879 in Berseba, Gibeon, homeland service, 1883-1913 as missionary preacher in Herford (Agent d. RMG); letters, diary extracts, station reports, contributions for the "Little Missionary Friend"; letters from African school children, petition from the parish of Gibeon, 1865-1881; letters from Herford, 1883-1916; manuscript: "From the portfolio of mission agents", 38 p., ms., 1903; copy of the "Mission Chronicle from Herford", activity report on the years 1883-1918

Draft e. Agreement between the NGK (Ring Gibeon), the Finnish Mission and the RMG on the mission under the contractovambos in the police zone, 1947; curriculum vitae (copy) of Hildegard Redecker, 1951; minutes of the extraordinary meeting with the Herero foremen and church elders of the Herero community in Omaruru, 1955;