Bladmuziek
Partituren
Holograph manuscript, n.d.
Uitgever
Holograph manuscript, n.d.
Overige opmerkingen
With permission of Roswitha Niedermayer
Holograph manuscript, n.d.
Uitgever
Holograph manuscript, n.d.
Overige opmerkingen
With permission of Roswitha Niedermayer

