Piotr Kropotkin (1842-1921) was a geographer and an anarchist who advocated a social organization based on voluntary associations between producers.
(1881) L'ordre [Français]
(1887) Are Prisons Necessary? [English]
(1896) Anarchism. Its Philosophy and Ideal [English]
(1897) The State. Its Historic Role [English]
(1899-1913) On Economics. Selected Passages from his Writings [English]
(1905) Anarchism [English]