| Database | Chant count |
|---|---|
| Spanish Early Music Manuscripts https://musicahispanica.eu |
4 |
| Portuguese Early Music Database https://pemdatabase.eu |
2 |
| Siglum | Folio | Seq | Incipit | Feast | Office | Genre | Position | Mode | Image | DB |
|---|---|---|---|---|---|---|---|---|---|---|
| E-Bbc (Barcelona) Ms. 2322 | 079v | 1 | Isti sunt duo filii splendoris qui | Joannis, Pauli | M | V | 7 | Image | SEMM | |
| GB-Lbl (London) Add MS 30850 | 227v | 2 | Isti sunt duo filii | Joannis, Pauli | V | V | 7 | Image | SEMM | |
| GB-Lbl (London) Add MS 30850 | 227v | 24 | Isti sunt duo filii splendoris qui | Joannis, Pauli | M | V | 3.2 | 7 | Image | SEMM |
| GB-Lbl (London) Add MS 30850 | 238r | 41 | Isti sunt duo filii splendoris qui | Additamenta | X | V | 7 | Image | SEMM | |
| P-AR (Arouca) Museu Regional de Arte Sacra do Mosteiro de Arouca Res. Ms. 025 | 065v | Isti sunt duo filii splendoris qui | Philippi et Jacobi | M | V | 01 | 7 | Image | PEM | |
| P-AR (Arouca) Museu Regional de Arte Sacra do Mosteiro de Arouca Res. Ms. 025 | 136r | Isti sunt duo filii splendoris qui | Comm. duorum Apostolorum | M | V | 01 | 7 | Image | PEM | |
