Contains among other things: Sketch of the land claims of Sholto Douglas on the Agu (scale 1:100 000)

Contains: Agricultural schools for Africans in Victoria

Contains among other things: The culture of Manihot Glaziovii and the extraction and preparation of rubber in East Africa P. Wolff, A visit to the countries of Lake Chad F. Wolff, The economic area of the Kano railway in northern Nigeria

Contains among other things: Walter Busse, About some results of my trip to Togo and Cameroon, Labour question in the German protectorates. Commissar von Puttkamer's memorandum. Klein Popo 1888 2 maps of Togo, m.: 1:200 000 and 1:2 000 000, 1902

Contains among other things: The Agricultural Service and Agricultural Experimentation in the German Protectorates

Contains among other things: Banana culture in Kosta-Rica. Darin: Karte der Republik Kosta-Rica 1:1 000 000 o.J. S. Soskin, Report about my trip to England from 9 - 21 January 1908 to study the banana import question. Berlin, 1908

Contains among other things: Kamerun-Kautschuk-Compagnie AG, Annual Report on the 27 Business Year 1932, Berlin, 1933 Erwin Mai, Die Kakaokultur an der Goldküste und ihre sozial-geographischen Wirkungen. Berlin 1933