Arts and ChartsMain MenuIntroductionAn Age of PanicsNineteenth Century TrackAn Age of EconomicsTwentieth Century TrackGalleryCreditsDaniel Platt and Rachel Knecht3ebb098c099a4564606054ddd3beb814ce8f359d
Illustration of Demand
12017-09-03T11:04:06-07:00Daniel Platt and Rachel Knecht3ebb098c099a4564606054ddd3beb814ce8f359d118623Alfred Marshall, Principles of Economics (1890)plain2017-09-03T16:34:09-07:00Daniel Platt and Rachel Knecht3ebb098c099a4564606054ddd3beb814ce8f359d