Spinose B. Ethics proven mathematically and divided into five parts. In Russian /Spinoza B. Etika, dokazannaya v matematicheskom poryadke i razdelennaya na pyat chastey Moscow Typography by A. Gatsuk, 1892. 384s. We have thousands of titles and often several copies of each title may be available. Please feel free to contact us for a detailed description of the copies available. SKUalb8da73988312f4a45.