Essay Schaefer: Die Kölner Museumsfrage, 1920. Permanent URL https://www.proveana.de/en/link/lit00000233 last updated 14.02.2022 Show sources Hide sources Basic information Basic information Bibliographical reference Karl Schaefer: Die Kölner Museumsfrage, in: Kunstchronik und Kunstmarkt, Mai 1920, S. 609-614. Language of publication deutsch References References Research projects Project reference Acquisitions for the graphic art collection at the Wallraf-Richartz-Museum between 1933 and 1945