| Auteur |
Titel |
Uitgever |
Anno |
| Ahrens, Christian c.s. |
Das Harmonium in Deutschland |
Verlag Erwin Bochinsky, Frankfurt |
1996 |
| Gellerman, Robert F. |
Gellerman's International Reed Organ Atlas |
Vestal Press, Lanham |
1998 |
| Gellerman, Robert F. |
The American Reed Organ and the Harmonium |
The Vestal Press Ltd., Vestal. |
1996 |
| Grossbach, Jan |
Das Harmonium |
Verlag Erwin Bochinsky, Frankfurt |
1991 |
| Milne, H.F. |
The reed organ: its design and construction |
The organ literature foundation, Braintree |
reprint of 1930 edition |
| Ord-Hume, Arthur W.J.G. |
Harmonium |
David & Charles, London |
1986 |
| Riehm, W. |
De bouw en de behandeling van het harmonium |
Seyffardt's boek- en muziekhandel, Amsterdam |
1981, reprint of 1887 edition |