If you are looking for teaching materials in English, ask your local librarian.
Rajang, Joanna
Kaluga, Karol
Sobieski, Ścibor
Rewak-Soroczyńska, Justyna
Świątkowski, Radosław
Świątkowski, Radosław
Saukens, Daria
Karolina Gołębiowska
Kaluga, Karol