Author Лассаль Фердинанд Description Lassalle, Ferdinand (1825-1864). ... On the essence of the constitution: [Two speeches] / F. Lassalle. - Rostov-on-Don: "The Don Speech" N. Paramonova, 1905. -74 p. ; 20. - . Source of the electronic copy: PB Publisher "Донская речь" Н. Парамонова