Archives are the current holding institutions of sources.
| Archivo de la Real Chancillería (E-Vrc) |
| Catedral Metropolitana, Archivo de Música (E-V) |
| Parroquia de Santiago (E-Vp) |
Organizations are corporate entities that have been involved in the history of a source, typically as an owner, creator, or seller.
| Santiago parish church |
| Valladolid Cathedral |
Sources that have had their origins in this city.
| E-V 5 |
| E-V 16 (uncertain) |
| E-V 17 (uncertain) |
| E-V 21 |
| E-Vp s.s. (Diego Sánchez Codex, Santiago Codex) |