Contains among other things: Support of the brothers after an expedition Complaint about Consul General O'swald at the Federal Foreign Office Report of an unknown person about an expedition to Mkonumba Photos of the brothers

Contains among other things: Map of the Tanganyika Territory. M: 1:2 000 000. o.J.

Contains: Supplement 3 maps to the expeditions, 1864-1900

Contains: Herzog zu Mecklenburg, Adolf Friedrich, Berlin, research expedition to East Africa with the participation of botanist Mildbraed, Berlin - K. Bülow, Tübingen, studies on dihydrotetrazine - W. Filchner, Berlin, editing of a work on a journey through China and Tibet - A. Schrammen, Hildesheim, Monograph of the Siliceous Sponges of the Upper Cretaceous of Northern Germany - Committee of the 2nd German Potash Day, Investigation of the North German Potash Salt Deposits - J. Stark, Hannover, Investigation of the Light Emission of the Channel Rays - F. Tobler, Münster, studies on the vegetation communities in the sea - E. Wedekind, Tübingen, magnetochemical studies - L. Krehl, Heidelberg, studies on the change in water excretion by the skin and lungs (topic not researched), metabolism consumption in diabetes - E. Wedekind, Tübingen, Germany W. Zopf, Münster, publication of a work on lichen acids - A. Schmidt, Potsdam, magnetic measurements on the high seas - A. Johnsen, Königsberg, mineralogical and geological investigations on the islands of Pantelleria, S. Pietro, S. Antioco and publication of a work.

Contains among other things: Communications on the geographical, political and economic conditions in the border zone between Victoria-Nyanza and Kilimandjaro, 1906 Notes on the Uganda Railway, 1906