 He next published "Considerations on the Causes of the Greatness of the Romans and their Decline" (1734), among his three best known books.It is considered by some scholars as a transition from "The Persian Letters" to his master work L'Esprit des lois, which was originally published anonymously in 1748 and translated in 1750 by Thomas Nugent as "The Spirit of Laws".It quickly rose to influence political thought profoundly in Europe and America.