Private letters, 1890-1893; travelogues, diary notes, correspondence with Trittelvitz, 1905-1914; manuscripts, fragments, diaries, etc.: "The first visit of German children to Queen Msinga of Rwanda, "Back to Queen Msinga, "Observations on the Characteristics of Natives, 1907-1908; General Correspondence and Monthly Reports, 1927-1929; Bugufi calls us - Bugufi needs us, 1929; Letter of Native Christians from Bukoba to the Bishop of Central Tanzania, 1929; Impressions and thoughts during a journey into the landscapes of Mischenye u. Karagwe, 1929; Questionnaires with personal data and birth dates of 14 children, 1930; "Church Mission Society u. Bethel-Bielefeld Mission in Bukoba, German and English version by E. Johanssen, 1930; Correspondence with E. Johanssen, 1930-1933; death notice and memorial certificate, 1934; correspondence with Martha Johanssen, 1934-1940; "On the 100th birthday of E. Johanssen, 1964; "On the 100th birthday of E. Johanssen, by J. Busse, with the addition of Albrecht sen.., 1971

Contains: contains and others: - Ada Schnees descent (1932); - Joined the NSDAP (1933); - Tasks after joining the NSDAP. Part 1 (1933); - Tasks after joining the NSDAP. Part 2 (1933); - My acquaintance with Schacht (1933); - Interview with Hitler (1933); - Composition of the new Reichstag (1933); - Jewish question and foreign policy: VI. Commission of the League of Nations Assembly (1933); - Negotiations of the Congress of the World Association of League of Nations Societies (1933); - Report on the treatment of the question of the government measures taken against Jewish population groups in Germany (1933); - Visit to Lord Snowden (1943); - Schnee Speech in Folkestone (1934); - England and the East African Mandate (1934); - Events of the 30th World War of Nations (1933); - Events of the 30th World War of Nations (1933); - The World War of Nations (1934); - The World War of Nations (1933); - The World War of Nations (1934); - The World War of Nations (1934); - The World War of Nations (1934); - The World War of Nations (1934) June 1934; - Schnee over Schleicher and Papen (1934); - Discussion with de Valera (1934); - Meetings of the World Association of League of Nations Societies in Geneva (1934); - Conference of the World Association of League of Nations Societies in Folkestone (1934); - Conference in Folkestone (1934); - Speech in Folkestone (hs. manuscript) (1934); - Discussion with State Secretary Vansittart from the British Foreign Office (1935); - Interview with Major v. Stephani from the "Stahlhelm" (1935); - Supervision of letter and telephone traffic and the police spying system (1935); - Ribbentrop and Rosenberg (1935); - Visit by Lord Buxton (1937); - The Deutsche Kolonialgesellschaft from its foundation in 1887 until its dissolution in 1936 (1937); - A few things about the Lord Mayor, and his wifea. about Konrad Adenauer, former Lord Mayor in Cologne (1937).