1844-1847 in Capeland, 1848-1852 in Worchester, Otjikango, Okahandja, Otjimbingue, leaving, from 1852 preacher at the Cap, Paarl; sacred poems and songs, composed and recorded by Friedrich Wilhelm Kolbe in his youth, octavheft, not published.Diary for Mr. Eickhoff, Gütersloh, with 7 drawings and explanations, 1847-1848; letters and diaries from various locations, including "Bericht über d. Überfall Jonker Afrikaners auf d. Missions-Station Schmelens Erwartung", 23.08.1850; rehearsal of the Rhine. Missionspresse, 1849; Report on the death of his wife Isabella Kolbe, née Elliott, 1893;

Catechist and colonist, 1834-1848 in the Cape, 1848-1852 in Ebenezer, Bethanien, Berseba, 1852-1875 in Germany, then back to Africa, see also RMG 2.372; Letters and diaries by Samuel Johann Hahn and Mrs. Helene Hahn, née Langenbeck, 1831-1855; C. Böhm to Mrs. Helene Hahn, 1870; Fr. Heinrich Hahn, Dautzschen to Deputation, 1884;

1863-1905 in Salem, Ameib, Walvis Bay, diaries see RMG 1.598; letters (also by Katharine Böhm, née Hahl), travel reports, station reports, cash reports, contributions to "Kleinen Missionsfreund" 1863-1907, 1915; financial correspondence with managing director Friedrich Schindelin, 1888-1890; letters and reports by Ludwig Koch, Landing