• 1889, Niedersächsisches Landesarchiv, NLA OS, K Karten

Contains among other things: Agreement with the British government on the delimitation of the mutual spheres of interest in the hinterland of Cameroon; instructions to Varnbüler's representative of the Bundesrat; railway construction in Togo Darin: "Deutscher Reichsanzeiger und Königlich Preußischer Staatsanzeiger" of 20 November 1893; maps of the above-mentioned colonies; "Zur Trassierung der Togo-Eisenbahn Lomé - Palimé. Mit Karten, Längenprofil, Tafeln und Abbildungen" ("With Maps, Longitudinal Profile, Plates and Illustrations"), published by the Colonial Economic Committee, 1 issue, 50 p., Berlin 1904; Report on a study trip of the settlement commissioner Dr. Rohrbach to the Cape Colony and the adjoining British parts, print, 10 p.; "Die Kolonialdeutschen aus Kamerun und Togo in französischer Gefangenschaft" ("The Colonial Germans from Cameroon and Togo in French Captivity"), published by the R e i c h s k o l o n i a l a m t, 178 p.., Berlin 1917; "Behaviour of the English and French troops under English supreme command against the white population of the German protectorates Cameroon and Togo", published by the Reichskolonialamt, 258 p., Berlin 1916