Combating riots and insurrections. - Jabassi expedition from 15 June - 27 September 1906 (Lieutenant Menzel), 1906 [fol. 1 - 13] Raid on the Biongele factories (presumably on 18 January 1907) Report by the merchant Habich, 1907 [fol. 17 - 117] Reports from the general administration departments. - Jabassi January 1907 - April 1908, 1907 - 1908 [fol. 21 - 169] Business trip to Njanga and surroundings from 16 August - 7 September 1907 (Lieutenant Buthut, Jabassi), 1907 [fol. 24 - 25] General political, military and economic circumstances. - Jabassi (chiefs' meeting on 6 September 1906) Minutes by Lieutenant Buthut, 1906 [fol. 33 - 34] Deployment of the Jabassi expedition (Lieutenant von Stein-Lausnitz) in the Jabassi district. - Proposals by Deputy District Chief Katzer, 13 April 1907 [fol. 48] Mission to regulate traffic on the Jabassi Ba-Ngangte Fumban road from 14 May to 12 June 1907 (Deputy District Chief Katzer), 1907 [fol. 59 - 64] Jabassi. - Handover of the station to Lieutenant Buthut by Deputy District Chief Katzer, 17 July 1907 [fol. 67 - 70] Affairs of the chiefs. - Case against Chief Qua Moto of Mamelo / Quantek and comrades for resisting state authority and deprivation of liberty. - Court hearing in Jabassi, 10 October 1907 [fol. 74 - 77] Jabassi. - Additional report on administrative conditions 9 October 1906 -2 October 1907 [fol. 78 - 110] General political, military and economic conditions. - Biongele area. - Report by Lieutenant Weyse, Jabassi, 15 September 1907 [fol. 79 - 89] General political, military and economic conditions. - Musche. (Mosse) expedition from 11 May to 26 November 1907 (Lieutenant Weyse), 1907 [fol. 79 - 135] General political, military and economic conditions. - Elephant hunt of the Hausa in the Biongele area, Jabassi district. - Report by Lieutenant Weyse, 1907 [fol. 79 - 89] Offices of the local administration. - Jabassi. - Duties of the station after redefinition of the borders against the districts of Duala and Dschang. - Instruction from Governor Dr Seitz, 6.11.1907 [fol. 90 - 92] Mission in the Jabassi district from 12.7.-28.9.1908 (station leader Katzer), also: deployment of the 6th (expedition) company in the Jabassi district, 1908 [fol. 98 - 108] Hausa and Duala trade in the Jabassi district, January--February 1908 [fol. 120 - 128] Jabassi Biongele Musche (Mosse) business trip from 29 November to the end of December 1907 (First Lieutenant Buthut), 1907 [fol. 136 - 142] Operations against the Betschoa (Jabassi district) from February to September 1908 - implementation (First Lieutenant von Heigelin), 1908 [fol. 147-154, 172-184, 187] Mission Njanga Nkongsamba from 31 October to mid-November 1906 (Lieutenant Buthut), 1906 [fol. 159 - 167] Combating the dominance of the Duala and Abo traders in the Jabassi district. - Demand by Lieutenant Buthut, November 1906 [fol. 159 - 169] General political, military and economic conditions. - Joko (in particular the Tukan's action against Ngutte) Report by Captain Dominik, 20 May 1908 [fol. 174] Operations against the Betschoa (Jabassi district) from February - September 1908 - Implementation 27 July - 4 September 1908 (Lieutenant Dickmann), 1908 [fol. 187 - 191]