Search for: [Subject and Keywords = Mìrčuk, Ìvan \(1891\-1961\) \-\- correspondence] OR [Subject and Keywords = Twardowski, Kazimierz \(1866\-1938\) \-\- correspondence] OR [Subject and Keywords = philosophy \-\- Poland \-\- 20 c.] OR [Subject and Keywords = letter writing, Polish \-\- 20 c.] OR [Subject and Keywords = Mìrčuk, Ìvan \(1891\-1961\) \-\- korespondencja \[JHPBN\]] OR [Subject and Keywords = Twardowski, Kazimierz \(1866\-1938\) \-\- korespondencja \[JHPBN\]] OR [Subject and Keywords = Filozofia \-\- Polska \-\- 20 w. \[JHPBN\]] OR [Subject and Keywords = Listy polskie \-\- 20 w. \[JHPBN\]] OR [Title = List Ivana Mirczuka do Kazimierza Twardowskiego \: 27.10.1927] OR [Creator = Mìrčuk, Ìvan \(1891–1961\)]