Contains among other things: Treaty of Protection and Friendship between the German Reich and the Sultanate of Witu of 4 July 1890

Contains, among other things, documents concerning the diplomatic preparation for an advertising campaign among the East African population for the police force in negotiations with Great Britain, Portugal and Turkey as well as the establishment and supplementation of a police force of initially 5 companies with advertising measures, mainly in Sudan, Egypt, Mozambique and Aden. Volumes 1-6 also contain: Competence disputes between Wissmann and the command of the German Kreuzer squadron

Contains among other things: Cases of looting by marines Proof of the strength of the protection force for East Africa

Contains among other things: Wissmann's proposal to rename his police force "Schutztruppe" (protection force)