Tsumugi Somei Biographie Contributions de Tsumugi Somei Auteur 4, Helvetica - tome 4 Tsumugi Somei, Shizuka Tsukiba Kurokawa 7,65 1, Helvetica - tome 1 Tsumugi Somei, Shizuka Tsukiba Kurokawa 7,65 2, Helvetica - tome 2 Tsumugi Somei, Shizuka Tsukiba Kurokawa 7,65 3, Helvetica - tome 3 Tsumugi Somei, Shizuka Tsukiba Kurokawa 7,65