Votteler-Holtkamp-Sparling Company
| Vestigingsplaats | ||
|---|---|---|
| Cleveland, Ohio, USA | ||
| Literatuur |
Walter Holtkamp : American organ builder / John Allen Ferguson. - Kent OH : Kent State Universtity Press, 1979. |
Orgeldatabase
| Vestigingsplaats | ||
|---|---|---|
| Cleveland, Ohio, USA | ||
| Literatuur |
Walter Holtkamp : American organ builder / John Allen Ferguson. - Kent OH : Kent State Universtity Press, 1979. |