Datenquelle: GND
Die deutsche Kreditbank
Tübingen : Mohr, 1922A revision of the treaty
being a sequel to The economic consequences of the peaceLondon : Macmillan and Co., 1922The theory of interest
as determined by impatience to spend income and opportunity to invest itNew York : Macmillan, 1930Vom Menschen
Versuch einer geistwissenschaftlichen AnthropologieBerlin-Charlottenburg : Buchholz & Weisswange, 1938