Charles LEMONNIER (1806-1891) pacifist and Saint-Simonian activist, president of the Ligue Internationale de la Paix et de la Liberté, promoter of the idea of a European Confederation. Set of autograph manuscripts, 1868-1881; approx. 195pages in various formats filled with tiny handwriting; plus some 30 letters addressed to him, 1875-1881. Important and interesting set on Peace and Europe. - Droit international, la paix par la liberté (notebook, 60 pages, small in-4, mostly in pencil), January 11, 1868; notes and thoughts in first draft. - Notebook (44p. in ink), first draft notes for the journal Les États-Unis d'Europe, nos. 11 to 25; many notes were crossed out after use. - Conférence Genève 1869, dated Montpellier August 14 and 17, 1869 (3p. in-fol. and 6p. small in-4): "When two years ago in Geneva, under the presidency of General Garibaldi, you founded the International League for Peace and Freedom, you solemnly declared that 'the governments of Europe were powerless to found peace'. For two years events have continued to justify this declaration"...; plus notes on the right to peace and war. - "Plan du rapport que je dois faire au Congrès de Lausanne le 25 7bre prochain sur la question sociale", dated Arcachon, villa Turgot, August 16, 1871 (34p. in-4, pencil). - Les États-unis d'Europe, notes et brouillons (5 ff. in-8): "Nous écrivons les premières lignes de ce petit livre au milieu des angoisses de l'horrible guerre qui vient de s'allumer entre deux grands peuples"...; plus notes taken during the 1870 war. - Bases & conditions of peace (4p. in-8). - Report & resolution Berlin conference (32p. in-8), notes and report, outline of the resolution to be voted by the League on the final act of the Berlin African conference, dated June 22, 1885... - Various notes, on meetings of the Paris Committee in 1881. 5 drafts of autograph letters (2 signed), and one L.S., 1880-1881. - December 10, 1880, to Jules Ferry (L.S., 6p. in-8, letterhead of the Ligue internationale de la Paix et de la Liberté, envelope), outlining the idea of international arbitration on disarmament: "The burden of standing armies crushes all peoples. Seven parliaments: the English, the Italian, the Belgian, the Dutch, the Swedish, the Congress of the United States of America have, for ten years, successively expressed the wish for the constitution of an international arbitration which would bring about disarmament".... - May 12 1881, delegation and instructions to take part, on behalf of the League, in the Universal Peace Union meeting in New York. - Geneva, May, to Louis Ruchonnet, member of the Swiss Federal Council, outlining the idea of international arbitration, as Ruchonnet takes up his new political duties. - November 14, to William Gladstone, on the idea of international arbitration in trade treaties. - November 16, 1881, to Gambetta (on the letterhead of the newspaper Les États-Unis d'Europe), on the idea of international arbitration in commercial treaties. Some thirty letters addressed to him, 1875-1881, by Barthélemy Saint-Hilaire (2), G. Belifante (The Hague), J.L. Clifford Smith (2, letterhead National Association for the Promotion of Social Science), A. Desmoulins (2, letterhead Franco-American Trade Treaty, French Committee), E. Fezandié (from New York), Johann Jacoby (Königsberg 1875, unable to attend the League's general assembly, lamenting the arming of Europe), Charlotte Lemonnier (long letter to her father), Horace Seymour, Société des Libres penseurs de Carouge, Leopold Sonnemann (Frankfurt, his resignation from the League; with draft reply), J. Toussaint (Société pour l'Enseignement professionnel des femmes), Luigi Zuppetta (Naples), etc. Enclosed: - manuscript of a translation of a book by Welsh pacifist Henry Richard, Le triomphe graduel de la loi sur la force brute. Coup d'œil rétrospectif d'histoire rétrospective; - 4 brochures from the Ligue internationale de la paix et de la liberté (1872-1878); - a file of Lemonnier's notes and press clippings on the 1875 Geneva Congress.