- Congratulations after Espressioni varianti performance
- Congratulations after Espressioni varianti performance
- Postcard from Baikal
- Postcard from Baikal
- Postcard from Bulgaria
- Postcard from Darmstadt
- Postcard from Darmstadt
- Postcard from Innsbruck
- Postcard from Innsbruck
- Postcard from Köln
- Postcard from Köln
- Postcard from Copenhagen
- Postcard from Copenhagen
- Postcard from Copenhagen
- Postcard from Copenhagen
- Postcard from Norrköping
- Postcard from Norrköping
- Postcard from Nuremberg
- Postcard from Nuremberg
- Postcard from Nuremberg
- Postcard from Nuremberg
- Postcard from Nuremberg
- Postcard from Osaka
- Postcard from Osaka
- Postcard from Paris
- Postcard from Paris
- Postcard from Rome
- Postcard from Rome
- Postcard from Toronto
- Postcard from Toronto
- Postcard from Stockholm
- Postcard from Stockholm
- Postcard from Berlin
- Postcard from Berlin
- Postcard from Gelsenkirchen
- Postcard from Gelsenkirchen
- Postcard from Halina Poświatowska
- Postcard from Halina Poświatowska
- Baird's letter to Helga Storck
- Baird's letter to Helga Storck
- Baird's letter to Helga Storck
- Letter from Arnold Szyfman
- Letter from Bogumił Pałasz
- Letter from George Szell
- Letter from George Szell
- Letter from Grzegorz Fitelberg
- Letter from Jan Krenz
- Letter from Jan Krenz
- Letter from Jan Stęszewski
- Letter from Lothar Faber
- Letter from Lothar Faber
- Letter from Ludwik Erhardt
- Letter from Stanisław Balicki
- Letter from Tadeusz Ochlewski
- Letter from International Music Council
- Letter from Letter from International Music Council
- Letter from the Municipality of Darmstadt
- Telegram from Mieczysław Tomaszewski
- Telegram from Mieczysław Tomaszewski
- Invitation to the Congress of Composers and Music Critics in Łagów Lubuski
- Notification from the Culture and Art Council
- Notice of grant award
