Type | List | Author: Title, Series, Vol/No (Year/Month/Date of Publication), Pages | Status | | 1. | Koster, John: Pianos and Other 'Expressive' Claviere in J. S. Bach's Circle. EarlyKStudNL 7/4 (1993), 1-11 | |
| 2. | Koster, John: Pianos and Other 'Expressive' Claviere in J. S. Bach's Circle. EarlyKStudNL 8/1 (1994), 1-7 | |
| 3. | Koster, John: The 'still, small voice' and the exploration of inner musical space DeClavicordio 2 (1995), 155-165 | |
| 4. | Koster, John: The Quest for Bach's 'Clavier': An Historiographical Interpretation. EarlyKeyboardJ 14 (1996), 65-84 | |
| 5. | Koster, John: The scaling and pitch of stringed-keyboard instruments in J.S. Bach's environs. [p]ABS_Yale (Apr 1998) | |
| 6. | Koster, John: The Harpsichord Culture in Bach's Environs. BachPerspectives 4 (1999), 57-77 | |
| 7. | Koster, John: The harpsichord culture in Bach's environs. [ce]BaroqueMusic (2011), 41-62 | |