Projects prepared by A. P. F. Seyff
Below is a list of journals indexed and/or introductions written by A. P. F. Seyff
| Date | Title | Language | Release | Publication |
|---|---|---|---|---|
| 1839-1848 | Nederlandsch Muzikaal Tijdschrift (Utrecht, Netherlands) | Dutch | Full Text | RIPM Index RIPM ft |