160 1711-1776 1883-1946 1890-1963 1900- 1900-1978 1903-1983 1905- 1908-1986 1914- archivalresources businesscycles conditionals(logic) david dennisholme economicdevelopment evidence hume is-lmmodel(macroeconomics) joan johnmaynard kahn kaldor keynes keynesianeconomics nicholas piero probabilities robertson robinson roy royforbes sidney sraffa staticsanddynamics(socialsciences) weintraub