Paris: Collège de 'Pataphysique, . First Edition. Slim octavo (20.75cm.); original yellow pictorial card wrappers printed in brown; ,128pp.; text illus. throughout, first two leaves printed on green stock. Spine rather faded, light shelf wear, else Very Good or better. Includes Marcel Duchamp's essay "A Propos des Readymade," and poems by Jean Roubaud and "Oulipo," the mathematical and literary collective co-founded by Raymond Queneau in 1960.