Partituras
Partituras
Holograph manuscript, n.d.(ca.1900-75).
Editorial
Holograph manuscript, n.d.(ca.1900-75).
Observaciones varias
With permission of Roswitha Niedermayer
Holograph manuscript, n.d.(ca.1900-75).
Editorial
Holograph manuscript, n.d.(ca.1900-75).
Observaciones varias
With permission of Roswitha Niedermayer

