Since this work was first published after 1922 with the prescribed copyright notice, it is unlikely that this work is public domain in the USA. However, it is in the public domain in Canada (where IMSLP is hosted), the EU, and in those countries where the copyright term is life+70 years or less.
|First Publication||1946(?) – Paris: Lemoine|
|Work Title||32 Études de perfectionnement|
|Alternative. Title||32 Études de perfectionnement pour tuba ou trombone à 4 pistons; Trente-deux études de perfectionnement|