Seyffardt
| Name: | Seyffardt |
| Taken over by/Part of: | G. Alsbach & Co, then Basart |
| Place: | Amsterdam, Holland |
| Address: | G. Alsbach & Co, Leidsegracht 11, Amsterdam, Holland |
| Address: | |
| Organ Compositions Published | 46 |
Biographical Dictionary of the Organ
| Name: | Seyffardt |
| Taken over by/Part of: | G. Alsbach & Co, then Basart |
| Place: | Amsterdam, Holland |
| Address: | G. Alsbach & Co, Leidsegracht 11, Amsterdam, Holland |
| Address: | |
| Organ Compositions Published | 46 |