Front Page Titles (by Subject) LETTER XXXI.: To Mr. Cerati. - Complete Works, vol. 4 Familiar Letters; Miscellaneous Pieces; The Temple of Gnidus; A Defence of the Spirit of Laws
LETTER XXXI.: To Mr. Cerati. - Charles Louis de Secondat, Baron de Montesquieu, Complete Works, vol. 4 Familiar Letters; Miscellaneous Pieces; The Temple of Gnidus; A Defence of the Spirit of Laws 
The Complete Works of M. de Montesquieu (London: T. Evans, 1777), 4 vols. Vol. 4.
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- Familiar Letters. By President De Montesquieu.
- Letter I.: To Father Cerati * of the Congregation of the Orators of Saint Philip At Rome.
- Letter II.: To the Same.
- Letter III.: To Monsieur L’abbé Venuti * , At Clerac.
- Letter IV.: To the Abbé Nicolini * , At Florence.
- Letter V.: To Mr. Cerati, At Pisa.
- Letter VI.: To Abbé Venuti At Clerac.
- Letter VII.: To Abbé De Guasco, At Turin.
- Letter VIII.: To the Count of Guasco, Colonel of Foot.
- Letter IX.: To the Abbé De Guasco.
- Letter X.: To the Same.
- Letter XI.: To the Same.
- Letter XII.: To the Countess De Pontac.
- Letter XIII.: To Mr. Cerati.
- Letter XIV.: To Abbé De Guasco At Clerac.
- Letter XV.: To the Same.
- Letter XVI.: To the Same.
- Letter XVII.: To the Same.
- Letter XVIII.: To the Same.
- Letter XIX.: To the Same Abbé De Guasco.
- Letter XX.: To the Same.
- Letter XXI.: To Mr. Cerati.
- Letter XXII.: To Abbé De Guasco, At Aix.
- Letter XXIII.
- Letter XXIV.: To the Same.
- Letter XXV.: To the Same.
- Letter XXVI.: To the Same.
- Letter XXVII.: To Mr. Cerati.
- Letter XXVIII.: To Prince Charles Edward.
- Letter XXIX.: To the Grand Prior Solar, Ambassador From Malta, At Rome.
- Letter XXX.: To the Abbé and Count De Guasco, At Paris.
- Letter XXXI.: To Mr. Cerati.
- Letter XXXII.: To Abbé Venuti.
- Letter XXXIII.: To the Abbé Count De Guasco.
- Letter XXXIV.: To the Abbé Venuti, At Bourdeaux.
- Letter XXXV.: To Mr. Cerati.
- Letter XXXVI.: To Abbé Venuti.
- Letter XXXVII.: To Abbé Venuti.
- Letter XXXVIII: To the Abbé Count De Guasco.
- Letter XXXIX.: To Abbé De Guasco.
- Letter Xl.: to the Same.
- Letter Xli.: to the Same.
- Letter Xlii.: to the Same, At Bourdeaux.
- Letter Xliii.: to the Same.
- Letter Xliv.: to the Same Abbé De Guasco.
- Letter Xlv.: to the Same At Vienna.
- Letter Xlvi.: to the Same Abbé De Guasco At Vienna.
- Letter Xlvii.: to the Same, At Verona.
- Letter Xlviii.: to the Same.
- Letter Xlix.: to the Same, At Naples.
- Letter L.: to the Same.
- Letter Li.: to Mr. Cerati.
- Letter Lii.: to the Abbé Marquis Nicolini.
- Letter Liii.: to Abbé Count De Guasco.
- Letter Liv.: to the Same.
- Letter Lv.: to the Auditor Bertolini, At Florence.
- Letter Lvi.: to Abbé Count De Guasco.
- Letter Lvii.: a Billet to the Same.
- Letter Lviii.: to the Grand Prior Solar, At Turin.
- Letter Lix.: the Fragment of a Letter From M. De Montesquieu, to the King of Poland, Duke of Lorraine, to Solicit His Majesty For a Place In the Academy of Nantz.
- Letter Lx.: Fragment of the King of Poland’s Answer, to the Foregoing Letter.
- Letter Lxi.: to M. De Solignac, Secretary to the Literary Society At Nantz.
- Letter Lxii.: From M. De Montesquieu. to the Author of a Short View of the Philosophical Works of Lord Bolingbroke.
- Letter Lxiii.: to the Dutchess of Aiguillon.
- Letter Lxiv.: From the Dutchess of Aiguillon, to Abbé De Guasco.
- Letter Lxv.: an Article Taken From a Letter of Baron Secondat De Montesquieu, to the Abbé Count De Guasco.
- Letter Lxvi.: Article of a Letter to the Same.
- Miscellaneous Pieces of M. De Secondat, Baron De Montesquieu.
- An Oration Pronounced the 24th of January, 1728. By President Montesquieu: When He Was Received Into the French Academy, In the Room of the Late M. De Sacy.
- An Essay Upon Taste, In Subjects of Nature, and of Art.
- Of the Pleasures of the Soul.
- Of the Mental Faculties * .
- Of Curiosity.
- Of the Pleasures of Order.
- Of the Pleasures of Variety.
- Of the Pleasures of Symmetry.
- Of Contrasts.
- Of the Pleasures of Surprize.
- Of Different Causes That Produce Sensation.
- Of Sensibility.
- Of Delicacy.
- Of the Je Ne Scais Quoi.
- The Progression of Surprize.
- Of Beauties Which Result From an Embarrassment of the Soul.
- The Temple of Gnidus.
- The Preface.
- Canto I.
- Canto II.
- Canto III.
- Canto IV.
- Canto V.
- Canto VI.
- Canto VII.
- Cupid Distressed.
- The Analysis of the Spirit of Laws. By M. D’alembert.
- A Defence of the Spirit of Laws. to Which Are Added, Some Explanations.
- Part I.
- Part II.
- The General Idea.
- Of the Counsels of Religion.
- Of Polygamy.
- On Climate.
- Of Toleration.
- Of Celibacy.
- A Particular Error Committed By the Critic.
- Of Marriage.
- Of Usury.
- “of Maritime Usury.
- Part III.: Some Explanations of the Spirit of Laws.
To Mr. Cerati.
AS I was going on a tour into the country, I met with the Messieurs de Saint Palaye, who spoke to me of Mr. Cerati. I constantly questioned them about Mr. Cerati. One article displeased me much, and that is my not being in Rome with the great man, whom they spoke to me of with so much warmth. They informed me that you were in very good health. I return thanks to the air of Rome, and congratulate with all your friends on the happy occasion. M. de Buffon has just published three volumes, which are to be followed by twelve more. The three first contain but general ideas; the twelve other are to contain a description of the curiosities in the king’s garden. M. de Buffon has among the learned in this country a great number of enemies, and their preponderating judgments, will, I dread bear down the balance against him for some time. I, for my part, who find many excellent things in the work, shall wait with discretion and modesty, for the decision of the learned in foreign countries. I have not however as yet met with any person who does not allow that there is a great deal of useful matter in the work.
Mr. de Maupertuis, who has believed all his life, and given perhaps convincing proofs that he was not happy, has just published a treatise upon Happiness. It is the production of a man of wit, fraught both with sound reasoning and gracefulness of style. In consequence of my work on The Spirit of Laws, I hear some dissatisfied drones humming and buzzing about my years; but while the bees extract a little honey from it I am satisfied—What you write to me about it gives me infinite pleasure; for what is more agreeable than to be approved of by the persons whom we love. Deign, Sir, to accept the tribute of my most respectful sentiments.
Paris, Nov. 11, 1749.