1850-1853 in Capeland, 1853-1868 in Berseba, Rehoboth, Nansannabis, Gobabis, Scheppmannsdorf, from 1869 parish office in North America; letters and diaries from missionary journeys in the holidays, 1849; letters and diary reports from various stations in South and South West Africa, 1850-1869;

1851-1858 in Otjikango, Walvis Bay, Eben-Ezer, 1855-1858 in Capeland, from 1859 preacher in Northameri-ka; letters and reports from e. Ferien-Missionreise and from his military service, 1848-1849; letters and diaries from South West Africa, 1850-1858;