Contains: "New Guinea Compagnie" "Maps and Photographs from Kiautschou" "On the Witu Question" "Fourth Report on the Malaria Expedition" "On the German East African Railway Question

Contains among other things: Alcohol and indigenous politics. Memorandum on Combating Alcohol Consumption in the African Colonies

Contains: among others: Statutes of the German Astronomical Association - Statutes of the Astrological Club of Hamburg e.V. - Address list of the Committee - Participation of German Astronomers in the International Astronomical Union - Travel report by August Kopff on his participation in the congress of the International Astronomical Union in the USA in 1932 - Memorandum by Erich Schoenberg on the founding of a state observatory in Windhoek (South Africa), with press article on reprisals against Jewish fellow citizens by Willem de Sitter and others - Illustration of the state observatory Heidelberg-Königsstuhl.

Series was formed archival

Contains among other things: Incident of the Paul-Lieberenz-Expedition in the French Mandate Cameroon, 1934

Contains among other things: Geological investigations in German Southwest Africa.

Viard-Vereinshospital, among others by the above-mentioned

Contains among other things: Call for the foundation of a German-Spanish association; association for old script; airship and automobile expedition of the Berlin state geologist Siebert through the Libyan desert; loan to the colonial exhibition in Saarbrücken