1893-1896 in Okahandja, from 1897 parish office USA and others in Chicago; letters and station reports, 1894-1896; letter from Inspector August Schreiber about dismissal, 1896;

1868-1903 in Otjikango, Okahandja, Otjosazu, from 1903 home service, from 1915 parish office; letters and reports from work with the Hereros, 1869-1903; annual reports, cash reports of the Otjosazu station, 1872-1903; manuscript: "Die Oupanga d. Ovaherero", 1891; reports by the evangelists Paul, Gottlieb and Manasse, 1893; private letters, also from Mrs. Hedwig Irle, née von Rohden, to the inspectors at the mission house, 1893. Inspectors in the mission house, 1890-1902; reports from the work in the home service, 1905-1922; correspondence of the RMG with members of the Irle family, 1922-1960; letter from Gottlieb Murangi, Windhoek, to Mrs. Hedwig Irle, née von Rohden, 1930;

Missionary craftsman, missionary farmer, 1912-1915 Karibib; curriculum vitae, application, certificates, instruction, 1911-1912; letters from Okahandja and Karibib, 1912-1914;

Deaconess in Okahandja; Letter, 1910; Congratulations on 95th birthday, 1967; obituary, 1967;

1866-1901 in Otjimbingue, Omaruru (Okozondke), Okahandja (Augustineum), Clara Viehe, née Rothe was a missionary sister; letters and reports, from 1890 half-yearly, cash and annual reports of the Augustineum; contributions to the "Little Missionary Friend"; copies of correspondence with representatives of the. German colonial government; copies of correspondence with Catholic missionaries, 1879; copy e. Treaty with Samuel Maharero on grazing rights and property of the RMG, 1894; manuscripts:; Customs of the Ovaherero after the birth e. Child, 1879; The Mountain Damra in Hereroland as object of the RMG. Mission, 1883; The indigenous Christians, after their spiritual life and moral behaviour, 1884; Die Herero, 1886; Gemeinde-, Kirchen- u. Synodalordnung für d. Evangelische Missionskirche im Hereroland, 1887; Die Missionstätigkeit Pauli und ihre Anwendung im Gebiete unserer Hereromission, 1891; Reiseberichte:; Bericht über e. Journey to Kaoko, with individual reports about Omaruru, Franzfontein, Okombahe, Otjombuina, 1893; report about e. Journey to Otavi, 1894; letters of Clara Viehe, née Rothe about her husband's death, 1901; The latest fights of Hendrik Witbooi against Herero, 1891

in Okahandja, taken over by the Miechowitz sisters; letter from Sister Eva von Thiele-Winkler, 1910; letter from the deaconess house Friedenshort in Miechowitz, 1910; instruction for Sister Anna Aberle, 1910; letter from Sister Anna Aberle, 1911;