Die|| so nöthig als nützliche|| Buchdruckerkunst|| und Schriftgießerey̋,|| /
Theil 3Gessner, Christian Friedrich ; Hager, Johann Georg ; Kapp, Johann ErhardLeipzig : Geßner, 1741The theory of interest
as determined by impatience to spend income and opportunity to invest itFisher, IrvingNew York : Macmillan, 1930The general theory of employment, interest and money
Keynes, John MaynardReprint. March 1936, London : Macmillan, 1936