Distributional concept analysis and the digital history of ideas / Peter de Bolla, Ewan Jones, Paul Nulty, Gabriel Recchia and John Regan -- Operationalizing conceptual structure / Paul Nulty -- The idea of liberty, 1600-1800 / Peter de Bolla, Ewan Jones, Paul Nulty, Gabriel Recchia and John Regan -- The idea of government in the British eighteenth century / Peter de Bolla, Ewan Jones, Paul Nulty, Gabriel Recchia and John Regan -- Republicanism in the founding of America / Peter de Bolla -- Enlightenment entanglements of improvement and growth / Peter de Bolla, Ryan Heuser and Mark Algee-Hewitt -- The idea of commercial society : changing contexts and scales / John Regan -- The age of irritability / Ewan Jones and Natalie Roxburgh -- On bubbles and bubbling : the idea of 'the South Sea bubble' / Claire Wilkinson -- Embedded ideas : revolutionary theory and political science in the eighteenth century / Mark Algee-Hewitt -- Computing Koselleck : modeling semantic revolutions, 1720-1960 / Ryan Heuser