Book I: Of laws in general
Book II: Of laws directly derived from the nature of government
Book III: Of the principles of the three kinds of government
Book IV: That the laws of education ought to be in relation to the principles of government
Book V: That the laws given by the legislator ought to be in relation to the principle of government
Book VI: Consequences of the principles of different governments with respect to the simplicity of civil and criminal laws, the form of judgments, and the inflicting of punishments
Book VII: Consequences of the different principles of the three governments with respect to sumptuary laws, luxury and the condition of women
Book VIII: Of the corruption of the principles of the three governments
Book IX: Of the laws in the relation that bear to a defensive force
Book X: Of laws in the relation that bear to offensive force
Book XI: Of the laws which establish political liberty, with regard to the constitution
Book XII: Of the laws that form political liberty, in relation to the subject: Idea of this book
Book XIII: Of the relation which the levying of taxes and the greatness of the public revenues bear to liberty
Book XIV: Of laws in relation to the nature of the climate
Book XV: In what manner the laws of civil slavery relate to the nature of the climate
Book XVI: How the laws of domestic slavery bear a relation to the nature of the climate
Book XVII: How the laws of political servitude bear a relation to the nature of the climate
Book XVIII: Of laws in the relation they bear to the nature of the soil
Book XIX: Of laws in relation to the principles which form the general spirit, morals, and customs of a nation
Book XX: Of laws in relation to commerce, considered in its nature and distinctions
Book XXI: Of laws in relation to commerce, considered in the revolutions it has met with in the world
Book XXII: Of laws in relation to the use of money
Book XXIII: Of laws in the relation they bear to the number of inhabitants
Book XXIV: Of laws in relation to religion, considered in itself, and in its doctrine
Book XXV: Of laws in relation to the establishment of religion and its external polity
Book XXVI: Of laws in relation to the order of things which they determine
Book XXVII: Of the origin and revolutions of the Roman law on successions
Book XXVIII: Of the origin and revolutions of the civil laws among the French
Book XXIX: Of the manner of composing the laws
Book XXX: Theory of the feudal laws among the Franks in the relation they bear to the establishment of the monarchy
Book XXXI: Theory of the feudal laws among the Franks in relation they bear to the revolutions of their monarchy.