Annual report, minutes of negotiations, circulars; correspondence, especially on the question of the mission in English colonies, esp. m. Oldham and J. Mott; Call for Peace and Christian Community, the Neutral to the Warring Countries, Dr.; Press Notes of the Evangelical-Lutheran Mission Leipzig; Axenfeld: Prohibits War for the Future German Mission in Non-German Areas, 8 p., Dr.; Stark (ed.): The Martyrdom of the Evangelical Missionaries in Cameroon, 15 p., Dr.

1925-1960 in Okahandja, Gobabis, Karibib; curriculum vitae (3 versions), testimonies, 1914-1915; letters from the internment camp Andalusia, 1940-1945; "Our faithful farm workers should be the refuge", dedication of the native church in Frieden-au, Windhoeker "Allgemeine Zeitung", no. 53, 1959