Contains:- Letters from Duala, 1905-1912- copies of official documents on the stay under hostile government, 1 - 9 Oct. 1914- Compensation request, 1914-1915; In it:- postcard of the station Kribi (in: Letters, 1907)

Directorate correspondence and other documents [FA2/4]* Service

Diary entries, 1896-1898; Personal letters, mainly to P. Bodelschwingh, 1896-1899; Curriculum vitae, transcripts of certificates, contract of service, 1896; postcard of buildings of the EMDOA in East Africa, 1899; "German or Latin writing in the German colonies? Article by Cleve, 1900; "Die Auffassung der Neger Deutsch-Ostafrikas von den Krank-heitsztänden von Cleve, Sonderdruck aus der Deutschen Kolonialzeitung, 1899; Übersicht über die literarischen Arbeiten u. praktischen Fähigkeiten Cleves, 1902; Termination of the employment contract with EMDOA, 1902