Title: Ja niegdyś Roger...
Subjects: Criticism and interpretation, Sources, Correspondence, Friends and associates, Music and literature, History, Friendship
Places: Poland
People: Karol Szymanowski (1882-1937), Jarosław Iwaszkiewicz (1894-1980), Tadeusz Miciński (1873-1918), Natalii͡a Davydova, Natalii︠a︡ Davydova
Time periods: 20th century