Edmund Husserl Briefwechsel: Die Brentanoschule : Band I: Die Brentanoschule; Band II: Die Münchener Phänomenologen; Band III: Die Göttinger Schule; Band IV: Die Freiburger Schüler; Band V: Die Neukan

present a chronological development of Husserl's philosophical system, Volumes V--IX are devoted to the correspondence partners in philosophy. The last volume consists of an extensive Introduction and a variety of indexes to all volumes in the set.