Preface Robert Hanhart\\ Introduction Robert Hanhart and Hermann Spieckermann\\ Rules applied to the edition of Isac Leo Seeligmann's works Isac Leo Seeligmann\\ Problems and perspectives in modern Septuagint research Isac Leo Seeligmann\\ Phases of Jewish Historical consciousness Isac Leo Seeligmann\\ The Septuagint version of Isaiah Preface\\ Introduction I. The text of the Septuagint of Isaiah ans its transmission II. The technique employed in the translation and its relation to the hebrew text III. Date and historical background of the translation Excursus: Onias III and Onias temple in Heliopolis IV. The translation as a document of Jewish-Alexandrian theology