LA TACHE NOIRE By Pierre Baragnon No. 1, March 2, 1871-No. 20, December 1872 + 160 pages, January 1 to April 10, 1873 + 54 pages on orange paper forming an Appendix. Paris, Directeur: Pierre Baragnon. 1 vol. in-12 bound (1st plate detached). Nos. 1 and 5 are reproductions of fascicles printed in Bordeaux and Nîmes, republished in Paris in March 1872. Sent to Viollet-le-Duc, with his bookplate. La Tache noire was an anti-Prussian pamphlet.