Type | List | Author | Title[further info] | Series | Vol | No | Year | Pages | Status |
| 1. | Apel, Willi | Masters of the Keyboard: a Brief Survey of Pianoforte Music. |
|
| | 1947 |
323p |
|
| 2. | Apel, Willi | Geschichte der Orgel- und Klaviermusik bis 1700. |
|
| | 1967 |
xv, 784p |
|
| 3. | Apel, Willi | The History of Keyboard Music to 1700. |
|
| | 1972 |
xvi, 878p |
|
| 4. | Apel, Willi | The Notation of Polyphonic Music, 900-1600. |
|
| | 1942 |
xxv, 443, 30p |
|
| 5. | Apel, Willi (ed.) | The Tablature of Celle 1601. A Collection of Early German Organ Chorales. |
CorpusEarlyKbM |
| | 1971 |
viii, 171p |
|
| 6. | Apel, Willi (ed.) | Keyboard Music of the Fourteenth and Fifteenth Centuries. |
CorpusEarlyKbM |
1 | | 1970 |
vii, 52p |
|
| 7. | Apel, Willi | Bachs Kunst der Fuge. |
DieMusik |
22 | 4 | Jan 1930 |
267-286 |
|
| 8. | Apel, Willi | Die alte Klaviermusik: eine Übersicht und Wertung vom heutigen Standpunkt. |
DieMusik |
23 | 7 | Apr 1931 |
500-509 |
|
| 9. | Apel, Willi | Neue Klaviermusik: Ein Beitrag zur Klärung des Bildes der gegenwärtigen Musikepoche. Zweiter Teil. |
DieMusik |
24 | 7 | Apr 1932 |
504-512 |
|
| 10. | Apel, Willi | Early German Keyboard Music. |
MQ |
23 | 2 | Apr 1937 |
210-237 |
|
| 11. | Apel, Willi | The Early Development of the Organ Ricercar. |
MusicaDisciplina |
3 | | 1949 |
141f |
|
| 12. | Apel, Willi | Bach erede della tradizione. |
NRivistaMItali |
3 | 1 | Jan-Feb 1969 |
3-12 |
|