4 ½ years head of the Johanniter Hospital in Keetmanshoop (for whites), 1920 marriage to Richard Müller jun., Cape Town; curriculum vitae, medical report, 1914; correspondence, including letters from the internment camp in Pretoria-Transvaal, 1911-1920;

Civil Supply Certificate from the Imperial Protection Force for South West Africa 1907 - Dated postcards with inscriptions: Las Palas 1904 - Swakopmund 1904 - Daily distribution of rations to prisoners of war in Windhoek 1904 - Windhoek, Garnisionsküche 1905 - Old Zulu with pipe 1906 - Bastard beauty in Keetmannshoop digitized on CD available 19.02.2007 in ECR 200 No. 105

1865-1905 in Spektakle, Pella, Concordia, Keetmanshoop, Berseba, missionary from 1905; curriculum vitae, 1858; letters and travelogues (partly with additions by Johann Georg Krönlein), annual reports, visitation reports, conference reports, 1865-1905; request of the. Federal Foreign Office Berlin for awarding the Order to Carl Ludwig Hermann Hegner, 1906; letters from his retirement, 1907-1913; correspondence with Ms. Zimmermann, née Hegner 1955