Contains among other things: A. Engler, overview of the activities of the Botanical Central Office for the Colonies at the Botanical Garden and Museum in Berlin, o.O., o.D. Report on the Botanical Garden and Museum on the financial year 1902. Hall 1903

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

Contains among other things: Import of green coffee into Germany