This HGB synopsis gives an overview of the historical development of the texts of Books I, II, and IV (excl. transport law) through a synoptic presentation of HGB 2024, HGB 1897 (incl. all changes), the General German Commercial Code (ADHGB), and the Austrian Commercial Code. Hermann Staub provides a new explanation of the transition from the ADHGB to the HGB. This volume facilitates historical and comparative interpretations of the current law.