Source: GND
Orbis latinus ...
Dresden : Schönfeld, 1861Festschrift zum fünfhundertjährigen Geburtstage von Johann Gutenberg
Leipzig : Harrassowitz, 1900Das Geld
Leipzig : Hirschfeld, 1903Mathematical investigations in the theory of value and prices
2. print., New Haven, Conn. [u.a.] : Yale Univ. Press [u.a.], 1926The theory of interest
as determined by impatience to spend income and opportunity to invest itNew York : Macmillan, 1930