Never before had France had a church council so large: almost 1000 churchmen assembled at Bourges on 29 November 1225 to authorize a tax on their incomes in support of the Second Albigensian Crusade. About one third were representatives sent by corporate bodies, in accordance with a new provision of canon law that insisted, for the first time ever, that there should be no taxation without representation. Basing himself on the rich surviving records,...