Islam. - Appearance of a Mahdi in Northern Nigeria. - Report of the British Resident in Jola, March-April 1906 [fol. 4 - 6] Affairs of the Chiefs. - Sanda, Shefu of Dikwa. - Reinstatement. - Application, May 1906 [fol. 7 - 15] Local Government Services. - Banjo. - Subordination of the Lamidat Tibati, 18 June 1906 [fol. 27 - 28] Companies. - The Niger Company, Ltd. - Opening of a factory in Garua, August 1906 [fol. 38 - 39] Punitive expedition against the Midjiwin and Bobojo on the Binder (Kaele) Mendif Marua road. - Preparations, July 1906 [fol. 44 - 45] Dikoa. - Cancellation of the military post by Lieutenant von Bülow. - Objection by Governor von Puttkamer, 1903 [fol. 52 - 53] Combating unrest and uprisings. - March Garua (Bebene) Rey Buba - (Ssagdje) - Ngaundere - Garua of 7 May-June 1906 (Lieutenant Strümpell), 1906 [fol. 54 - 65] Murder of porters of the Lagone-Pama frontier expedition resident in the area of the Garua Residency by Lakka people, 1913 [fol. 58 - 60] Reports of the departments of the general administration. - Residentur Garua May-December 1906 [fol. 68 - 197] General political, military and economic conditions. - Ssari and Massios region. - Report by Lieutenant Nitschmann, 30 June 1906 [fol. 75 - 90] Affairs of the chiefs. - Gerka, Ardo of Mitschiga. - Trial for outrage and murder, August 1905 [fol. 91 - 105] Provisional Franco-German agreement on the border in the Chari-Lagone-Tuburi area: objection by the resident in Garua, December 1905 [fol. 106] Combating unrest and uprisings. - Liberation of the border areas between Lere (Lame) Benue from 16 October to 4 November 1905 (Captain Zimmermann), 1905 [fol. 107 - 114] Public safety. - Carrying out military operations against highwaymen. - Report by Lieutenant Schipper, Binder, October 1905 [fol. 115 - 123] Regional border matters. - Binder [fol. 124 - 127] March Binder Kalfu Jagua Bongor Tchatibali Binder, 5-16 Sept. 1905 (Lieutenant Schipper), 1905 [fol. 129 - 134] Dikoa. - Temporary occupation by the 3rd Company stationed in Kusseri, 1906 [fol. 158 - 162] Attack on the Binder post by the Tupuri resident in French territory, June 1906 [fol. 166 - 170] Defiance of Lamidos Sedu of Mendif. - Report by Sergeant Mellenthin Binder, 23 May 1906 [fol. 171 - 173] Hamadjam, Lamido of Tibati. - Petition for clemency. - Rejection by Colonel Müller, 12 October 1906 [fol. 178] Borders with the British possessions. - Protests and investigations into German border incursions against Bornu, 1906 [fol. 180 - 183] Reports of the general administration departments. - Binder June 1906, 1906 [fol. 187 - 197] Sketch of the district visit of the resident in Garua, Captain of the Schutztruppe für Kamerun, Karl Zimmermann, in the period 16.10. - 4.11.1905, 1:200 000, multicoloured drawing, Zimmermann, Captain, 1905 Punitive expedition against the Midjiwin and Bobojo on the Binder (Kaele) Mendif Marua road. - Punishment of the Bobojo and Midjiwin. - Report by the Deputy Resident in Garua, Lieutenant of the Schutztruppe für Kamerun, Kurt von Strümpell, December 1906 Map of the march Binder - Kalfu - Jagua - Bongor - Suai - Tsatibali - Mburai- Binder by Lieutenant Schipper in the period from 5.9.-16.9.1905, 1:250 000, pen and ink drawing with coloured entries, Schipper, Lieutenant

Lange, Erich (1889 - 1965) Prof. Dr.phil.; Professor of Fuel Geology 1946 President of the German Geological Survey; Director of the Geological Service of the GDR The estate contains: Excerpts from the file 1957 "Preparation of the commemorative event 10 years StGK (Staatliche Geologische Kommission) (contains among other things: material, elaborations and handwritten notes) Correspondences Personal letter of Gottlieb A. Seberna Handwritten notes among other things from and to geological books, to Cameroon, manuscripts to geological observation in French, German and English. Colonies (e.g. East-Adamaua), excerpts from the journal of the German Geological Society vol. 84(1932), photographs of tree trunks in a basalt stream near Meiganga