Files from the Devisenstelle (Foreign Currency Authority) in Frankfurt am Main and Kassel
Record keeping authority: Foreign exchange offices Frankfurt a.M. and Kassel
 The state exchange control to avoid flight of capital with foreign currency, existed in the German Reich since 1931. The pertaining foreign exchange offices were established in June 1932. They were subject in the last instance to the economics ministry of the Reich (therein starting from 1934 the Reich office for currency ...