Taxes under the Roman Rule.--Money Exactions of the Merovingian
Kings.--Varieties of Money.--Financial Laws under Charlemagne.--Missi
Dominici.--Increase of Taxes owing to the Crusades.--Organization of
Finances by Louis IX.--Extortions of Philip lo Bel.--Pecuniary
Embarrassment of his Successors.--Charles V. re-establishes Order in
Finances.--Disasters of France under Charles VI., Charles VII., and
Jacques Coeur.--Changes in Taxation from Louis XI. to Francis I.--The
Great Financiers.--Florimond Robertet.