Isou Isidore, THE UPRISING OF YOUTH Volume I, THE PROBLEM, At the Stairs of Lausanne/Paris, Librairie de la Porte Latine, S.D. [1949] A group of friends, admirers and disciples of Isidore Isou, gathered under the sign of the Stairs of Lausanne, self-published this work Volume II, CICK, 1971 (1972), copy no. XIX/XX signed by Isou with an original hypergraphy by Arkitu, Berreur, Canal, Gillard, Hachette, Lemaître, Poulain, Poyet, Roehmer, Sabatier, Sarthou, Satié, Spacagna, Tarkieltaub, Tayarda (minor stains on cover) Volume III, CICK, 1971 (1972), copy no. XIX/XX signed by Isou with an original hypergraphy by Arkitu, Berreur, Canal, Gillard, Hachette, Lemaître, Poulain, Poyet, Roehmer, Sabatier, Sarthou, Satié, Spacagna, Tarkieltaub, Tayarda (minor stains on cover) Supplement to the Uprising of Youth Volume I, CICK, 1972 (1979), copy no. XX/XX signed by Isou with an original hypergraphy by Broutin, Canal, Dupont, Grimaud, Jouvet, Letaillieur, Sabatier, Tasiv, Texier, Villers Supplement to the Uprising of Youth Volume II, CICK, 1972 (1979), copy no. XX/XX signed by Isou with an original hypergraphy by Broutin, Canal, Dupont, Grimaud, Jouvet, Letaillieur, Sabatier, Tasiv, Texier, Villers Rare complete set of 5 volumes with 50 hypergraphies by active Lettrists of the 70s (FLMF)