This publication continues the publication in the “Literary Monuments” series of works by figures of the Great French Revolution. Publication of the book “Speeches. Treatises" by Saint-Just is the first systematic publication in Russian of the works of the most prominent leader of the revolutionary government. At the center of the publication is a collection of his speeches and reports at the Convention (1792-1794). This edition does not include only a few short speeches. All philosophical and political works are included - treatises that form an organic unity with the speeches at the Convention and are in direct textual connection with them. In order to create a holistic picture of Saint-Just as a revolutionary figure and a complete impression of his work, the texts of Saint-Just’s decisions as a Commissioner of the Convention and the most significant personal letters in biographical and literary terms are also published.