Celebratio Mathematica

R. C. Kirby and M. G. Schar­le­mann: “A curi­ous cat­egory which equals TOP,” pp. 93–​97 in Man­i­folds—Tokyo 1973. Edi­ted by A. Hat­tori. Univ. Tokyo Press (Tokyo), 1975. MR 0372868 Zbl 0315.​57003

M. G. Schar­le­mann and L. C. Sieben­mann: “The Hauptver­mu­tung for smooth sin­gu­lar homeo­morph­isms,” pp. 85–​91 in Man­i­folds — Tokyo 1973 (Tokyo, 10–17 April 1973). Edi­ted by A. Hat­tori. Uni­versity of Tokyo Press, 1975. A part II (with some­what dif­fer­ent title) was pub­lished in Com­posi­tio Math. 29:3 (1974). MR 372871 Zbl 0315.​57009 incollection