Bekker 1920e
availability: Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) (http://creativecommons.org/licenses/by-nc-sa/4.0/)

Paul Bekker, Berliner Musikpolitik, Frankfurter Zeitung, und Handelsblatt, 125829-1, 010712402, 65, 764 (Erstes Morgenblatt), 1–2, Historical Financial Data