Photograph - Professor Otakar Ševčík, 26 September 1931 Folio-Box 18 (MS 10439) Unit ID: 166 Date: 26 September 1931
Photograph - Professor Otakar Ševčík, 26 September 1931 Folio-Box 18 (MS 10439) Unit ID: 166 Date: 26 September 1931