Letters and reports from New Guinea, 1893-1895; Report of the New Guinea Company about the hunting accident of Barkemeyer, 1895bequest; notebook with personal diary records, 1894-1895, with drawing of the volcano eruption on Dampier, 25.07.1895[ubi? August 2011]; recording of words of the Siar language ; "Waiting", poem by Andreas Bräm (1798-1882) from Neukirchen; letter, probably by Henriette Dielmann, the bride of missionary Albert Hoffmann, 1895
Rheinische MissionsgesellschaftEstate of Hermine Diehl, née Schmidt (1841-1879):; Curriculum vitae and obituary of her mother Regine Barbara Schmidt, née Krönlein, died 1857; diary of Hermine Diehl, née Schmidt, 1857-1868; correspondence of and. with relatives, 1857-1868; Letters from Philipp Diehl to his bride Hermine Schmidt, 1869-1871; Letter from Inspectors Ludwig von Rohden, Dr. Friedrich Fabri and Dr. August Schreiber, 1869-1887; Condolences on the death of his wife Hermine Diehl, née Schmidt von Verwandten u. Amtsbrüdern, et al. also by Johanna Muneze (in Herero), 1879; correspondence from and with siblings and relatives, among others with Johann Georg Krönlein, uncle of Hermine Diehl, née Schmidt, 1879-1904; letter to his second wife, Amalia Diehl, née Skoglund, 1882; Dr. Hoepfner because of copper mines, confidential letter u. Answer, 1883; Business correspondence with Bernhard Pilgram and Friedrich Kämpfer, 1880-1884; Missionary Peter Heinrich Brincker and Missionary Eich an Diehl, 1886-1887; Diary of Philipp Diehl, 1880-1884; Letter copy book of Philipp Diehl, 1877-1888
Rheinische Missionsgesellschaft