 He also authored a political tract criticising the Narodnik agrarian-socialists, "What the "Friends of the People" Are and How They Fight the Social-Democrats", based largely on his experiences in Samara; around 200 copies were illegally printed in 1894.Lenin hoped to cement connections between his Social-Democrats and Emancipation of Labour, a group of Russian Marxist émigrés based in Switzerland; he visited the country to meet group members Plekhanov and Pavel Axelrod.He proceeded to Paris to meet Marx's son-in-law Paul Lafargue and to research the Paris Commune of 1871, which he considered an early prototype for a proletarian government.