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.

Enthält u.a.: Census of the Native population of Tanganyika Territory, 1931. Daressalam 1932 Report on the Non-Native Census taken in the territory on the night of the 26. April, 1931. Daressalam 1932 Statistical information regarding Territories under Mandate. Genf, Okt. 1933 A population map of Tanganyika Territory. Daressalam 1936