Certain new devices in Organ-development , 1906
Materiale a stampa,
spoglio
PER 10
9709
(inventario)
Zeitschrift Internationalen Musikgesellschaft, VIII,1, 12-17,
Some Special Devices in Selective Organ-registering , 1910
Materiale a stampa,
spoglio
PER 9
9704
(inventario)
Sammelbände der Internationalen Musikgesellschaft, XI,3, 453-467,