Contains: among others: essay by Erwin Finlay-Freundlich "Über die Notwendigkeit der Errichtung eines auswärtigen astronomischen Forschungsinstituts" - publication by Paul Range "Neue Temperaturbeobachtungen aus dem Süden Deutsch-Südwest-Afrikas" - memorandum about the erection of a German imperial observatory in Windhoek by Paul Guthnick - German astronomical journalist School reports of a German school in Swakopmund - "Points of view for the selection of a place for the German astronomical station" by Friedrich Becker - Map of Pretoria and surroundings (1908) - General plan of the city of Windhoek (1916).

Enthält u.a.: Territory of South West Africa. Report on the census of the European population. Taken on the 4th May, 1926. Pretoria, 1927. Deutsche, Buren und Engländer in Südwestafrika. Sonderdruck aus "Koloniale Rundschau" Heft 9/10, 1931.