https://katalog.hfmdd.de/Record/0-328015393 Hummel, Johann Nepomuk:
Klavírna tvorba / Hummel. — Bratislava : Opus, P 1979. — 2 Schallpl. in Schuber; 33 UpM, stereo; 30 cm.
For piano; 1st and 3rd works with orchestra.