The Spirit of Laws (French: De l'esprit des lois, originally spelled De l'esprit des loix) is a treatise on political theory, as well as a pioneering work in comparative law, published in 1748 by Charles de Secondat, Baron de Montesquieu. Originally published anonymously, partly because Montesquieu's works were subject to censorship, its influence outside France was aided by its rapid translation into other languages. In 1750 Thomas Nugent published the first English translation. In 1751 the Roman Catholic Church added De l'esprit des lois to its Index Librorum Prohibitorum ("List of Prohibited Books"). Yet Montesquieu's treatise had an enormous influence on the work of many others, most notably: Catherine the Great, who produced Nakaz (Instruction); the Founding Fathers of the United Stat