Baum, Harald MPI for Comparative and International Private Law, Max Planck Society;
https://www.zjapanr.de/index.php/zjapanr/article/view/467 (Any fulltext)
Baum, H. (2008). Harry N. Scheiber / Laurent Mayali (eds.), Emerging Concepts of Rights in Japanese Law, Berkeley, 2007; 230 S. Zeitschrift für Japanisches Recht, 26, 230-232.